Riah is a rare variant of Rio that has climbed to its highest level yet, peaking in 2024.
Riah is predominantly a girl name. In 2025 it ranked #4,644 for girl births in the United States (and #8,045 across all names), given to 30 babies. Riah was first reported in SSA data in 1978 and peaked in 2024 (43 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 30 | 30 | #4,644 | — |
| 2024 | 48 | 48 | #3,634 | #13,820 |
| 2023 | 46 | 46 | #3,756 | #13,742 |
| 2022 | 42 | 42 | #3,694 | — |
| 2021 | 33 | 33 | #4,307 | — |
| 2020 | 32 | 32 | #4,342 | — |
| 2019 | 23 | 23 | #5,584 | — |
| 2018 | 30 | 30 | #4,646 | — |
| 2017 | 24 | 24 | #5,493 | — |
| 2016 | 33 | 33 | #4,962 | #13,770 |
| 2015 | 34 | 34 | #4,285 | — |
| 2014 | 14 | 14 | #8,399 | — |
| 2013 | 13 | 13 | #8,950 | — |
| 2012 | 21 | 21 | #6,296 | — |
| 2011 | 17 | 17 | #7,359 | — |
| 2010 | 22 | 22 | #6,141 | — |
| 2009 | 20 | 20 | #6,760 | — |
| 2008 | 24 | 24 | #5,916 | — |
| 2007 | 19 | 19 | #7,041 | — |
| 2006 | 20 | 20 | #6,550 | — |
| 2005 | 12 | 12 | #9,333 | — |
| 2004 | 11 | 11 | #9,771 | — |
| 2003 | 11 | 11 | #9,559 | — |
| 2002 | 9 | 9 | #10,900 | — |
| 2001 | 13 | 13 | #8,087 | — |
| 2000 | 11 | 11 | #9,025 | — |
| 1999 | 13 | 13 | #7,617 | — |
| 1998 | 7 | 7 | #12,108 | — |
| 1997 | 9 | — | #9,643 | — |
| 1996 | 5 | — | #15,310 | — |
| 1992 | 5 | — | #14,988 | — |
| 1990 | 5 | — | #14,684 | — |
| 1978 | 5 | — | #11,019 | — |