January 20

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!

Yearly Date
January 20
Category
Name Days
Holiday Calendar
Last updated February 7, 2026 by the Holiday Calendar Team
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Introduction

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!

National Sebastian Day Timeline

288
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.
1450
Saint Sebastian Patronage
Saint Sebastian became recognized as the patron saint of athletes and soldiers in Germany, further popularizing the name in Europe.
1600s
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.
1989
Disney's The Little Mermaid
The character name Sebastian gained wide recognition with Disney's The Little Mermaid, featuring a charismatic crab named Sebastian.
2000
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.
2022
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.

How to Celebrate National Sebastian Day

1

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.

2

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.

3

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.

4

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.

5

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 We Love National Sebastian Day

A

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.

B

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!

C

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!

Holiday Dates

Year
Date
Day
2023
Jan 20
Friday
2024
Jan 20
Saturday
2025
Jan 20
Monday
2026
Jan 20
Tuesday
2027
Jan 20
Wednesday