Japanese Birthday Wishes are a beautiful way to celebrate someone with respect, warmth, and the right tone. In Japanese, birthday greetings change depending on whether you are speaking to a close friend, family member, coworker, client, senior, or someone you respect. A casual message may sound friendly, while a polite message can feel thoughtful and culturally appropriate.
In this guide, you will find Japanese birthday wishes in kana, romaji, and English. You will also learn how to say happy birthday in Japanese, what to write on a Japanese birthday card, how casual and polite greetings differ, and which birthday phrases are best for friends, family, coworkers, clients, and social media captions.
Happy birthday in Japanese
The most common way to say happy birthday in Japanese is お誕生日おめでとう. In romaji, it is Otanjoubi omedetou. It means “Happy birthday” and is best for friends, family, classmates, and people close to you.
For polite situations, use お誕生日おめでとうございます. In romaji, it is Otanjoubi omedetou gozaimasu. This is better for coworkers, teachers, clients, seniors, or anyone you want to address respectfully.
| Japanese | Romaji | English |
| お誕生日おめでとう | Otanjoubi omedetou | Happy birthday |
| お誕生日おめでとうございます | Otanjoubi omedetou gozaimasu | Happy birthday politely |
| 誕生日おめでとう | Tanjoubi omedetou | Happy birthday casually |
| ハッピーバースデー | Happii baasudee | Happy birthday |
| 素敵な一年になりますように | Suteki na ichinen ni narimasu you ni | May you have a wonderful year |
Japanese birthday wishes for a friend
Birthday wishes for a friend can be casual, warm, and cheerful. You can use お誕生日おめでとう, いつもありがとう, and 素敵な一年にしてね. These phrases sound natural in texts, cards, and social media posts.
- お誕生日おめでとう！素敵な一年になりますように。
Otanjoubi omedetou! Suteki na ichinen ni narimasu you ni.
Happy birthday! May you have a wonderful year. - 誕生日おめでとう！いつもありがとう。
Tanjoubi omedetou! Itsumo arigatou.
Happy birthday! Thank you for always being there. - 最高の一日になりますように。
Saikou no ichinichi ni narimasu you ni.
Hope you have the best day. - これからもよろしくね。
Kore kara mo yoroshiku ne.
I hope we stay close from now on too. - 笑顔いっぱいの一年になりますように。
Egao ippai no ichinen ni narimasu you ni.
May your year be full of smiles. - いつも楽しい時間をありがとう。
Itsumo tanoshii jikan o arigatou.
Thank you for all the fun times. - 幸せいっぱいの誕生日になりますように。
Shiawase ippai no tanjoubi ni narimasu you ni.
May your birthday be full of happiness. - 夢がたくさん叶いますように。
Yume ga takusan kanaimasu you ni.
May many of your dreams come true. - 今年も一緒に楽しい思い出を作ろうね。
Kotoshi mo issho ni tanoshii omoide o tsukurou ne.
Let’s make more fun memories this year. - 大切な友達へ、誕生日おめでとう。
Taisetsu na tomodachi e, tanjoubi omedetou.
Happy birthday to my dear friend.
Formal birthday message in Japanese (coworker)
For coworkers, managers, teachers, or clients, use polite Japanese. Avoid slang and overly emotional wording. A safe and respectful birthday greeting includes appreciation, health, success, and a pleasant year ahead.
- お誕生日おめでとうございます。素晴らしい一年になりますようお祈りいたします。
Otanjoubi omedetou gozaimasu. Subarashii ichinen ni narimasu you o-inori itashimasu.
Happy birthday. I sincerely wish you a wonderful year. - いつもご指導いただきありがとうございます。
Itsumo go-shidou itadaki arigatou gozaimasu.
Thank you for your guidance. - 今後ますますのご活躍をお祈りしております。
Kongo masumasu no go-katsuyaku o o-inori shite orimasu.
Wishing you continued success. - 健康で実り多い一年になりますように。
Kenkou de minori ooi ichinen ni narimasu you ni.
May your year be healthy and fruitful. - 素敵なお誕生日をお過ごしください。
Suteki na otanjoubi o o-sugoshi kudasai.
Please have a wonderful birthday.
Cute & short messages
Cute Japanese birthday wishes are great for close friends, siblings, partners, and social media captions. Keep them short, sweet, and friendly.
- おめでとう！
Omedetou!
Congratulations! - 誕生日おめでとう！
Tanjoubi omedetou!
Happy birthday! - ハピバ！
Hapiba!
Happy B-day! - だいすき！
Daisuki!
I love you! - ずっと笑顔でいてね。
Zutto egao de ite ne.
Keep smiling always. - 今日もかわいいね。
Kyou mo kawaii ne.
You are cute today too. - 幸せになってね。
Shiawase ni natte ne.
Be happy. - 素敵な日を！
Suteki na hi o!
Have a lovely day!
How do you say happy birthday in Japanese?
You say お誕生日おめでとう for casual situations and お誕生日おめでとうございます for polite situations.
What do you write on a Japanese birthday card?
Write a greeting, one warm wish, and a short closing. Example: お誕生日おめでとう。素敵な一年になりますように。
Any etiquette tips?
Use polite Japanese for seniors, coworkers, and clients. Keep casual slang like ハピバ only for close friends.
Short Birthday Greetings (Japanese + Romaji + English)
Short greetings work well in cards, comments, captions, and quick messages.
| Japanese | Romaji | English |
| 誕生日おめでとう | Tanjoubi omedetou | Happy birthday |
| 素敵な一年を | Suteki na ichinen o | Have a wonderful year |
| 最高の一日を | Saikou no ichinichi o | Have the best day |
| 幸せな一年を | Shiawase na ichinen o | Have a happy year |
| 夢が叶いますように | Yume ga kanaimasu you ni | May your dreams come true |
| いつもありがとう | Itsumo arigatou | Thank you always |
| 笑顔でいてね | Egao de ite ne | Keep smiling |
| 楽しんでね | Tanoshinde ne | Enjoy it |
| お祝いしよう | Oiwai shiyou | Let’s celebrate |
| いい一年にしてね | Ii ichinen ni shite ne | Make it a good year |
Happy Birthday in Japanese: Casual vs. Polite
Japanese changes tone based on relationship. Casual phrases are fine for friends and family. Polite phrases are better for coworkers, elders, teachers, clients, and formal messages.
| Tone | Japanese | Romaji | Best For |
| Casual | 誕生日おめでとう | Tanjoubi omedetou | Friends, siblings |
| Warm casual | お誕生日おめでとう | Otanjoubi omedetou | Close friends, family |
| Polite | お誕生日おめでとうございます | Otanjoubi omedetou gozaimasu | Coworkers, seniors |
| Very formal | 心よりお祝い申し上げます | Kokoro yori oiwai moushiagemasu | Clients, formal cards |
Need a card for your message?
Use this simple card format:
お誕生日おめでとうございます。いつも温かいご指導をありがとうございます。健康で幸せな一年になりますようお祈りしております。
Romaji: Otanjoubi omedetou gozaimasu. Itsumo atatakai go-shidou o arigatou gozaimasu. Kenkou de shiawase na ichinen ni narimasu you o-inori shite orimasu.
English: Happy birthday. Thank you for your kind guidance. I wish you a healthy and happy year.
Happy Birthday Wishes for Friends
Friendship birthday messages in Japanese can be light, emotional, or fun. Use casual words and natural expressions.
- 誕生日おめでとう！これからも仲良くしてね。
Tanjoubi omedetou! Kore kara mo nakayoku shite ne.
Happy birthday! Let’s stay close. - いつも笑わせてくれてありがとう。
Itsumo warawasete kurete arigatou.
Thank you for always making me laugh. - 今年も楽しいこといっぱいしよう。
Kotoshi mo tanoshii koto ippai shiyou.
Let’s do many fun things this year. - あなたにとって最高の一年になりますように。
Anata ni totte saikou no ichinen ni narimasu you ni.
May this be the best year for you. - 大好きな友達へ、心からおめでとう。
Daisuki na tomodachi e, kokoro kara omedetou.
To my dear friend, congratulations from my heart.
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Happy Birthday Wishes for Family
Family birthday greetings can be warm and personal. For parents and grandparents, polite wording often sounds more loving and respectful.
- お母さん、お誕生日おめでとう。いつもありがとう。
Okaasan, otanjoubi omedetou. Itsumo arigatou.
Mom, happy birthday. Thank you always. - お父さん、健康で幸せな一年になりますように。
Otousan, kenkou de shiawase na ichinen ni narimasu you ni.
Dad, may your year be healthy and happy. - おばあちゃん、いつまでも元気でいてね。
Obaachan, itsu made mo genki de ite ne.
Grandma, please stay healthy always. - おじいちゃん、素敵な誕生日を過ごしてね。
Ojiichan, suteki na tanjoubi o sugoshite ne.
Grandpa, have a wonderful birthday. - 家族でお祝いできてうれしいです。
Kazoku de oiwai dekite ureshii desu.
I am happy we can celebrate as a family.
Professional Birthday Greetings in Japanese (Coworkers, Clients)
Professional Japanese birthday greetings should be respectful, simple, and not too personal. Use ございます, お祈りしております, and 今後ともよろしくお願いいたします.
- お誕生日おめでとうございます。今後ますますのご活躍をお祈りしております。
Otanjoubi omedetou gozaimasu. Kongo masumasu no go-katsuyaku o o-inori shite orimasu.
Happy birthday. Wishing you continued success. - 素晴らしい一年となりますよう、心よりお祈り申し上げます。
Subarashii ichinen to narimasu you, kokoro yori o-inori moushiagemasu.
I sincerely wish you a wonderful year. - いつも大変お世話になっております。
Itsumo taihen osewa ni natte orimasu.
Thank you for your continued support. - 健康とご多幸をお祈りいたします。
Kenkou to go-takou o o-inori itashimasu.
Wishing you health and happiness. - 今後ともどうぞよろしくお願いいたします。
Kongo tomo douzo yoroshiku onegai itashimasu.
I look forward to working with you.
Cute or Kawaii Happy Birthday Lines
Kawaii birthday lines are short, sweet, and playful. They work best for close friends, partners, and younger audiences.
- ハピバ！今日もかわいい！
Hapiba! Kyou mo kawaii!
Happy B-day! Cute as always! - だいすきな君へ、おめでとう。
Daisuki na kimi e, omedetou.
Congratulations to someone I love. - きらきらの一年になりますように。
Kirakira no ichinen ni narimasu you ni.
May your year sparkle. - ずっと幸せでいてね。
Zutto shiawase de ite ne.
Stay happy forever. - ケーキより君が甘い。
Keeki yori kimi ga amai.
You are sweeter than cake.
Happy Belated Birthday in Japanese
A belated birthday wish should be polite and sincere. You can say sorry briefly and then add a warm greeting.
- 遅くなったけど、誕生日おめでとう。
Osoku natta kedo, tanjoubi omedetou.
Sorry it’s late, but happy birthday. - 遅ればせながら、お誕生日おめでとうございます。
Okurebase nagara, otanjoubi omedetou gozaimasu.
Belated happy birthday. - メッセージが遅れてごめんね。
Messeeji ga okurete gomen ne.
Sorry my message is late. - 素敵な一年になりますように。
Suteki na ichinen ni narimasu you ni.
May you have a wonderful year. - 遅くなっても気持ちはいっぱいです。
Osoku natte mo kimochi wa ippai desu.
Even though it is late, my feelings are sincere.
Birthday Captions (Short and Shareable)
Japanese birthday captions are perfect for Instagram, WhatsApp, Facebook, TikTok, and short card lines.
- 誕生日おめでとう
Tanjoubi omedetou
Happy birthday - 最高の日
Saikou no hi
Best day - 幸せいっぱい
Shiawase ippai
Full of happiness - 夢が叶う一年に
Yume ga kanau ichinen ni
A year where dreams come true - 笑顔の一年を
Egao no ichinen o
A year full of smiles - 今日の主役
Kyou no shuyaku
Star of the day - お祝いの日
Oiwai no hi
Celebration day - 素敵な一年を
Suteki na ichinen o
Have a wonderful year - ハッピーバースデー
Happii baasudee
Happy birthday - いつもありがとう
Itsumo arigatou
Thank you always
What to Write on a Japanese Birthday Card
A good Japanese birthday card should be simple, respectful, and personal. Start with お誕生日おめでとう, add one wish, and finish with gratitude or encouragement.
| Card Part | Japanese Example | Meaning |
| Greeting | お誕生日おめでとう | Happy birthday |
| Wish | 素敵な一年になりますように | May you have a wonderful year |
| Thanks | いつもありがとう | Thank you always |
| Closing | これからもよろしくね | Let’s stay close |
Copy-ready card example:
お誕生日おめでとう。いつも優しくしてくれてありがとう。あなたにとって笑顔いっぱいの素敵な一年になりますように。これからもよろしくね。
Romaji: Otanjoubi omedetou. Itsumo yasashiku shite kurete arigatou. Anata ni totte egao ippai no suteki na ichinen ni narimasu you ni. Kore kara mo yoroshiku ne.
English: Happy birthday. Thank you for always being kind. May this be a wonderful year full of smiles for you. Let’s stay close.
Culture Notes: Japanese Birthday Celebrations
Modern Japanese birthday celebrations often include cakes, candles, gifts, birthday songs, restaurant meals, and messages from friends or family. Many people also send birthday texts through LINE or post short captions on social media.
In Japanese culture, tone matters. A phrase that feels natural with a close friend may feel too casual for a boss or client. This is why お誕生日おめでとうございます is safer in formal settings, while 誕生日おめでとう is better for friends.
For professional messages, avoid jokes, slang, and overly personal comments. For close friends, cute phrases and casual expressions are fine. For family, warm words like いつもありがとう and 元気でいてね feel natural and caring.
Expanded Phrase Bank (Japanese Birthday Vocabulary)
These words help you build your own Japanese birthday wishes.
| Japanese | Romaji | English |
| 誕生日 | Tanjoubi | Birthday |
| お祝い | Oiwai | Celebration |
| ケーキ | Keeki | Cake |
| プレゼント | Purezento | Present |
| 友達 | Tomodachi | Friend |
| 家族 | Kazoku | Family |
| 幸せ | Shiawase | Happiness |
| 笑顔 | Egao | Smile |
| 健康 | Kenkou | Health |
| 夢 | Yume | Dream |
| 一年 | Ichinen | One year |
| 素敵 | Suteki | Wonderful |
| 最高 | Saikou | Best |
| 感謝 | Kansha | Gratitude |
| 楽しい | Tanoshii | Fun |
Useful sentence patterns:
- 〜になりますように
Narimasu you ni
May it become… - 〜をお祈りしています
O-inori shite imasu
I wish/pray for… - いつも〜ありがとう
Itsumo… arigatou
Thank you always for…
10 More Copy-Ready Birthday Wishes
- お誕生日おめでとう。幸せな一年になりますように。
Otanjoubi omedetou. Shiawase na ichinen ni narimasu you ni.
Happy birthday. May you have a happy year. - 誕生日おめでとう！今日を思いきり楽しんでね。
Tanjoubi omedetou! Kyou o omoikiri tanoshinde ne.
Happy birthday! Enjoy today fully. - お誕生日おめでとうございます。ご健康をお祈りしております。
Otanjoubi omedetou gozaimasu. Go-kenkou o o-inori shite orimasu.
Happy birthday. Wishing you good health. - いつもありがとう。素敵な一年にしてね。
Itsumo arigatou. Suteki na ichinen ni shite ne.
Thank you always. Make it a wonderful year. - あなたの夢が叶う一年になりますように。
Anata no yume ga kanau ichinen ni narimasu you ni.
May this be a year when your dreams come true. - 笑顔と幸せにあふれる一年を。
Egao to shiawase ni afureru ichinen o.
Wishing you a year full of smiles and happiness. - 大切なあなたへ、心からおめでとう。
Taisetsu na anata e, kokoro kara omedetou.
To someone dear, congratulations from my heart. - 今日という日が特別な一日になりますように。
Kyou to iu hi ga tokubetsu na ichinichi ni narimasu you ni.
May today become a special day. - これからも元気でいてね。
Kore kara mo genki de ite ne.
Please stay healthy from now on too. - お祝いできてうれしいです。
Oiwai dekite ureshii desu.
I am happy to celebrate with you.
FAQs
How do you say happy birthday in Japanese?
Say お誕生日おめでとう for casual situations. Use お誕生日おめでとうございます for polite or formal birthday greetings.
What is happy birthday in Japanese romaji?
The romaji is Otanjoubi omedetou. The polite romaji version is Otanjoubi omedetou gozaimasu.
What do you write on a Japanese birthday card?
Write お誕生日おめでとう。素敵な一年になりますように。 It means “Happy birthday. May you have a wonderful year.”
What is a formal birthday message in Japanese?
Use お誕生日おめでとうございます。素晴らしい一年になりますようお祈りいたします。 It is polite and professional.
Can I say tanjoubi omedetou to a coworker?
You can say it to a close coworker, but お誕生日おめでとうございます is safer and more respectful at work.
What does omedetou mean?
Omedetou means “congratulations.” In birthday greetings, it works like “happy birthday” when paired with tanjoubi.
What is a cute way to say happy birthday in Japanese?
Use ハピバ or ハッピーバースデー with close friends. These are casual and cute, not formal.
How do you say happy belated birthday in Japanese?
Say 遅くなったけど、誕生日おめでとう casually or 遅ればせながら、お誕生日おめでとうございます politely.
What should I avoid in Japanese birthday wishes?
Avoid slang in formal messages. Do not use overly casual phrases with seniors, clients, teachers, or bosses.
Is romaji enough for a Japanese birthday card?
Romaji is helpful for learners, but Japanese kana looks more natural. Use kana plus English if the reader may need translation.
Conclusion
Japanese Birthday Wishes become more meaningful when you choose the right tone. For friends, 誕生日おめでとう sounds warm and casual. For coworkers, clients, teachers, and seniors, お誕生日おめでとうございます is more respectful. Adding phrases like 素敵な一年になりますように, いつもありがとう, and ご健康をお祈りしております makes your message feel personal and thoughtful.
Use the kana, romaji, and English translations in this guide to write birthday cards, captions, texts, and professional greetings with confidence. The best Japanese birthday message is simple, sincere, and matched to the relationship.
