Onni
- Gender
- Boy
- Say it
- ON-nee
Onni is a boys' name, meaning “happiness, good luck”. Too few babies were given it in the latest year to rank.
What does Onni mean?
Finnish onni 'happiness, good luck'
“happiness, good luck”
Is Onni a girl's or a boy's name?
Onni is a boys' name.
How popular is Onni in the UK?
No boys in the UK were given it in 2025, or too few to be listed. Its busiest year was 2022, with 6 boys.
Onni in the UK, year by year
| Year | Boys | Rank |
|---|---|---|
| 2024 | 6 | #3,335 |
| 2023 | 0 | – |
| 2022 | 6 | #3,219 |
| 2021 | 0 | – |
| 2020 | 0 | – |
| 2019 | 3 | #4,913 |
| 2018 | 0 | – |
| 2017 | 0 | – |
| 2016 | 0 | – |
| 2015 | 0 | – |
| 2014 | 0 | – |
| 2013 | 0 | – |
| 2012 | 0 | – |
| 2011 | 3 | #4,837 |
| 2010 | 0 | – |
| 2009 | 0 | – |
| 2008 | 0 | – |
| 2007 | 0 | – |
| 2006 | 0 | – |
| 2005 | 0 | – |
| 2004 | 0 | – |
| 2003 | 0 | – |
| 2002 | 0 | – |
| 2001 | 1 | #4,138 |
| 2000 | 0 | – |
| 1999 | 3 | #3,043 |
| 1998 | 1 | #3,884 |
Names like Onni
Names given in the same years and the same naming tradition, with a similar sound.
Ronan, Orhan, Rowan, Obi, Callan, Rian, Rory, Brody, Conan, Finn, Lochlan, Renley
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, “Onni: name meaning, origin and popularity”, https://www.nameling.co.uk/names/onni, updated 20 October 2026.