Sebastiao
- Gender
- Boy
- Say it
- seh-bash-tee-OW
- Origin
- Latin
- UK rank, 2025
- #5,065 for boys
Sebastiao is a boys' name of Latin origin, meaning “from Sebaste”. In 2025 it ranked 5,065th for boys in the UK (3 babies).
What does Sebastiao mean?
Latin: Portuguese form of Sebastian
“from Sebaste”
King Sebastiao of Portugal vanished in battle in 1578, inspiring the legend that he would one day return.
Is Sebastiao a girl's or a boy's name?
Sebastiao is a boys' name. In 2025, it was given to 3 boys in the UK. Too few girls were given it to be listed.
How popular is Sebastiao in the UK?
- Rank in 2025
- #5,065among boys
- Babies in 2025
- 3about 1 in 100,000 boys
- Five-year trend
- Too rare to calltoo few babies to tell
- Same name in a class
- under 1%chance among 15 boys
In 2025, 3 boys in the UK were named Sebastiao, making it the 5,065th most popular name for boys. Its busiest year was 2010, with 4 boys.
Among boys in 2025, it was 4,974th in England and Wales.
Sebastiao in the UK, year by year
| Year | Boys | Rank |
|---|---|---|
| 2025 | 3 | #5,065 |
| 2024 | 3 | #5,198 |
| 2023 | 0 | – |
| 2022 | 0 | – |
| 2021 | 0 | – |
| 2020 | 0 | – |
| 2019 | 0 | – |
| 2018 | 4 | #4,169 |
| 2017 | 3 | #4,995 |
| 2016 | 4 | #4,214 |
| 2015 | 4 | #4,086 |
| 2014 | 0 | – |
| 2013 | 0 | – |
| 2012 | 0 | – |
| 2011 | 0 | – |
| 2010 | 4 | #4,026 |
Nicknames for Sebastiao
- Tiao
Names like Sebastiao
Names given in the same years and the same naming tradition, with a similar sound.
Lorenzo Leo Santiago Leonardo Arlo Austin Vincent Hugo Remy Romeo Theo Roman
More Latin names
Oliver Olivia Aurora Emily Florence Mabel Luna Nora Rosie Emilia Max Nova Lucy Julian Clara Anthony
Sources
Figures from Baby names in England and Wales (Office for National Statistics), Babies' first names (National Records of Scotland) and Baby names (Northern Ireland Statistics and Research Agency). Nameling last updated them on 20 October 2026. How the figures are worked out, and the data to download.
To cite this page: Nameling, “Sebastiao: name meaning, origin and popularity”, https://www.nameling.co.uk/names/sebastiao, updated 20 October 2026.