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National Sebastian Day

Calling all Sebasts! National Sebastian Day is the perfect time to honor anyone with this name and celebrate their unique awesomeness. Join the party now!

Wednesday

January 2027

Last updated February 7, 2026 · by the Holiday Calendar Team

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YEARLY DATEJanuary 20

OBSERVED INInternationally

CATEGORYNames

INTRO

Introduction

PHOTO

Mark your calendars for January 20, because it's time to celebrate National Sebastian Day! This day is dedicated to all the Sebastians out there – from the famous fictional character in "The Little Mermaid" to real-life people who share this iconic name. It's believed that this holiday originated in Germany, where St. Sebastian is considered the patron saint of soldiers and athletes. But no matter where it came from, one thing is for sure – it's a great excuse to honor and appreciate all the amazing Sebastians in our lives. So let's spread some love and make this day a special one for them!

TIMELINE

National Sebastian Day Timeline

Martyrdom of Saint Sebastian

Saint Sebastian, a Christian saint and martyr from whom the name takes its roots, was martyred during the Roman emperor Diocletian's persecution of Christians.

Saint Sebastian Patronage

Saint Sebastian became recognized as the patron saint of athletes and soldiers in Germany, further popularizing the name in Europe.

Name Sebastian Spreads

The name Sebastian began to spread outside of Europe to other continents as explorers and colonizers named places and people after Saint Sebastian.

Disney's The Little Mermaid

The character name Sebastian gained wide recognition with Disney's The Little Mermaid, featuring a charismatic crab named Sebastian.

Name Day Celebration

In some cultures, a name day, like National Sebastian Day, is often celebrated similarly to a birthday. January 20 is recognized in many of these communities.

Global Recognition

Today, people around the world recognize January 20 as National Sebastian Day, celebrating everyone bearing the name, helping to keep the legacy of the name alive.

GET INVOLVED

How to Celebrate National Sebastian Day

Throw a Sebastian-themed party

Gather your friends and family and throw a party in honor of National Sebastian Day! Decorate with images of the Little Mermaid's lovable crab friend and serve seafood-inspired dishes in his honor.

WATCH

Watch The Little Mermaid

Celebrate National Sebastian Day by watching the classic Disney movie, The Little Mermaid. Don't forget to sing along to "Under the Sea" and all of Sebastian's other catchy songs.

Go on a beach trip

If you live near a beach, plan a trip to celebrate National Sebastian Day! Spend the day soaking up the sun, building sandcastles, and searching for seashells, just like Sebastian would want.

DRESS

Dress up as Sebastian

Get into the spirit of National Sebastian Day by dressing up as the crab himself! Don a red shirt, pants, and some pincers and you'll be the hit of any celebration.

CREATE

Create Sebastian-inspired crafts

Get crafty and make some Sebastian-inspired creations to celebrate his special day. From paper plate crabs to seashell necklaces, there are endless possibilities to express your love for this beloved Disney character.

WHY THIS DAY MATTERS

Why We Love National Sebastian Day

Sebastian is an awesome name with interesting origins

Did you know that the name Sebastian means "revered" or "venerable," and originates from Latin? It's also derived from Greek word "sebastos," meaning "honored" or "venerable." Use National Sebastian Day to learn more about this unique name and its cultural significance!

It's a day to celebrate all things Sebastian

National Sebastian Day is the perfect time to show some love for anyone in your life named Sebastian. Whether it's a friend, family member, or significant other, use this day to make them feel special and appreciated.

It's an excuse to have a fun and unique celebration

With so many national holidays being celebrated every day, National Sebastian Day stands out as a fun and unique celebration that not many people may know about. Take this opportunity to plan a fun party or surprise for your loved one named Sebastian!

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