Kaiyu
- Gender
- Boy
- US rank, 2025
- #12,003 for boys
Kaiyu is a boys' name. In 2025 it ranked 12,003rd for boys in the US (5 babies).
Is Kaiyu a girl's or a boy's name?
Kaiyu is a boys' name. In 2025, it was given to 5 boys in the US. Too few girls were given it to be listed.
How popular is Kaiyu in the US?
- Rank in 2025
- #12,003among boys
- Babies in 2025
- 5about 1 in 340,000 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, 5 boys in the US were named Kaiyu, making it the 12,003rd most popular name for boys. Its busiest year was 2001, with 10 boys. It first appears in the records in 2001.
Half of all the boys named Kaiyu in the US since 1880 were born between 2003 and 2013, the years shaded on the chart below.
Kaiyu in the US, year by year
| Year | Boys | Rank |
|---|---|---|
| 2025 | 5 | #12,003 |
| 2024 | 0 | – |
| 2023 | 0 | – |
| 2022 | 5 | #12,322 |
| 2021 | 0 | – |
| 2020 | 0 | – |
| 2019 | 0 | – |
| 2018 | 0 | – |
| 2017 | 0 | – |
| 2016 | 5 | #12,180 |
| 2015 | 7 | #9,562 |
| 2014 | 0 | – |
| 2013 | 6 | #10,722 |
| 2012 | 0 | – |
| 2011 | 7 | #9,593 |
| 2010 | 0 | – |
| 2009 | 6 | #10,989 |
| 2008 | 8 | #9,013 |
| 2007 | 9 | #8,169 |
| 2006 | 0 | – |
| 2005 | 5 | #11,464 |
| 2004 | 9 | #7,530 |
| 2003 | 6 | #9,574 |
| 2002 | 10 | #6,515 |
| 2001 | 10 | #6,438 |
Names like Kaiyu
Names given in the same years and the same naming tradition, with a similar sound.
Names related to Kaiyu
Sources
Figures from 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, “Kaiyu: name meaning, origin and popularity”, https://www.nameling.co.uk/names/kaiyu, updated 20 October 2026.