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Rio

Gender
Boy
Say it
REE-oh
Origin
Spanish
UK rank, 2025
#167 for boys
US rank, 2025
#532 for boys

Rio is a boys' name of Spanish origin, meaning “river”. In 2025 it ranked 167th for boys in the UK (356 babies) and 532nd for boys in the US (563 babies).

What does Rio mean?

Spanish: Spanish and Portuguese word

“river”

Spanish and Portuguese for river, as in the Brazilian city Rio de Janeiro, the river of January.

More on Wiktionary.

Is Rio a girl's or a boy's name?

Rio is a boys' name. In 2025, it was given to 23 girls and 356 boys in the UK and 105 girls and 563 boys in the US.

How popular is Rio in the UK?

Rank in 2025
167th among boys
Babies in 2025
356 about 1 in 840 boys
Five-year trend
Rising up 46% in five years
Same name in a class
1.6% chance among 15 boys

In 2025, 356 boys in the UK were named Rio, making it the 167th most popular name for boys. Five years earlier, in 2020, it was 224th. Its busiest year was 2023, with 409 boys. 23 girls were also named Rio in 2025 (1,416th for girls).

Half of all the boys named Rio in the UK since 1996 were born between 2007 and 2020, the years shaded on the chart below.

In 1996, 81% of the babies named Rio in the UK were girls. By 2025 it was 6%, with more boys than girls since 1998.

Among boys in 2025, it was 166th in England and Wales, 137th in Scotland and 126th in Northern Ireland.

1996Busiest: 409 in 20232025
Rio in the UK, year by year
YearBoysRank
2025356#167
2024364#161
2023409#148
2022365#160
2021332#182
2020252#224
2019260#224
2018259#224
2017251#244
2016238#258
2015213#269
2014301#215
2013262#226
2012330#199
2011395#162
2010322#191
2009383#161
2008386#162
2007358#164
2006334#166
2005323#162
2004258#178
2003246#178
2002209#191
200195#321
200053#450
199958#427
199843#509
199726#690
199610#1,290

How popular is Rio in the US?

Rank in 2025
532nd among boys
Babies in 2025
563 about 1 in 3,000 boys
Five-year trend
Rising fast up 149% in five years
Same name in a class
under 1% chance among 15 boys

In 2025, 563 boys in the US were named Rio, making it the 532nd most popular name for boys. Five years earlier, in 2020, it was 774th. Its busiest year was 2024, with 593 boys. It first appears in the records in 1920. 105 girls were also named Rio in 2025 (1,872nd for girls).

Half of all the boys named Rio in the US since 1880 were born between 2010 and 2023, the years shaded on the chart below.

Girls were 50% of the babies named Rio in the US in 1983, and 16% in 2025.

1920Busiest: 593 in 20242025
Rio in the US, year by year
YearBoysRank
2025563#532
2024593#517
2023514#571
2022530#560
2021403#669
2020305#774
2019193#1,057
2018172#1,122
2017132#1,348
2016136#1,320
2015103#1,567
2014104#1,536
201397#1,588
2012100#1,575
201199#1,573
2010110#1,481
200977#1,872
200878#1,861
200780#1,811
200667#1,993
200559#2,077
200464#1,907
200349#2,202
200252#2,064
200148#2,147
200062#1,764
199940#2,260
199850#1,928
199742#2,093
199645#1,954
199546#1,859
199439#2,077
199338#2,086
199234#2,209
199142#1,861
199035#2,081
198930#2,239
198830#2,085
198723#2,396
198619#2,681
198519#2,596
198422#2,291
198316#2,786
19827#5,001
198113#3,219
198012#3,429
197910#3,808
197815#2,798
197711#3,384
19768#4,010
197513#2,900
197413#2,797
19738#3,692
19726#4,438
19718#3,656
19705#4,722
196910#2,860
19686#3,672
19670–
19660–
19650–
19640–
19630–
19620–
19610–
19600–
19595#3,986
19580–
19570–
19565#3,940
19550–
19540–
19530–
19520–
19510–
19500–
19490–
19480–
19470–
19460–
19450–
19440–
19430–
19420–
19410–
19400–
19390–
19380–
19370–
19360–
19350–
19345#3,677
19330–
19320–
19310–
19300–
19290–
19280–
19270–
19260–
19250–
19245#4,345
19230–
19220–
19210–
19205#4,284

Names like Rio

Names given in the same years and the same naming tradition, with a similar sound.

Other spellings of Rio

More Spanish names

Every Spanish name

Sources

Figures from Baby names in England and Wales (Office for National Statistics), Babies' first names (National Records of Scotland), Baby names (Northern Ireland Statistics and Research Agency) and Popular Baby Names (US Social Security Administration). Nameling last updated them on 20 October 2026. How the figures are worked out, and the data to download.

To cite this page: Nameling, “Rio: name meaning, origin and popularity”, https://www.nameling.co.uk/names/rio, updated 20 October 2026.