Kai streaks across the global baby-name sky like a meteor splashed in turquoise, gathering stories from every shore he kisses: in Hawaii and Japan he means “sea,” in China he flings doors wide open as “victory” or “begin,” in Scandinavia he morphs into a jaunty “rejoice,” and in Germany he’s a trim, modern cousin of Nicholas. Spoken simply as “KYE” or the softer “KAH-ee,” the two short letters feel as breezy as a Caribbean trade wind—easy on the tongue, impossible to forget. No wonder American parents have surfed his wave: since the mid-90s Kai has paddled from obscurity into the Top 100, riding higher each year like a salsa rhythm that won’t quit. He carries sand-between-the-toes cool, mythic ocean depth, and a passport stamped on four continents, yet he fits on a name tag without crowding the ink. For families chasing a name that’s multicultural, minimalist, and as spirited as a beach bonfire at twilight, Kai delivers in one exhilarating syllable.
| Kai Havertz is a German attacking midfielder and forward for Arsenal and Germany. |
| Kai Sotto is a 7 ft 3 in Filipino center for the Koshigaya Alphas in Japans B League, tied with Raul Dillo as the tallest Filipino pro and second tallest Filipino man behind William Biscocho. |
| Kai Nielsen was an American philosophy professor at the University of Calgary who championed naturalism, wrote on religion and atheism, and defended utilitarianism against Bernard Williams. |
| Kai Kara-France is a New Zealand mixed martial artist who competes in the UFC flyweight division and was ranked sixth as of August 2025. |
| Kai Michael Hansen is a German power metal pioneer who founded Gamma Ray, cofounded Helloween which he rejoined in 2016, and has sold millions of albums worldwide. |
| Kai Kahele - Kaialii Kahele is a Democratic Hawaii politician and pilot, a former state senator and US representative, elected in 2024 as Office of Hawaiian Affairs trustee and chair, and the son of the late senator Gil Kahele. |
| Kai Martinez Jones is a Bahamian professional basketball player for Anadolu Efes in the Turkish BSL and EuroLeague who played college basketball for the Texas Longhorns. |
| Kai G. Henriksen - Kai Henning Gjesdal Henriksen was a Norwegian businessman and former Conservative Party politician who led Storebrand Bank and was CEO of Vinmonopolet from 2006 until his death in 2016. |
| Kai Bird is an American author and columnist best known for political biographies and works on the atomic bombings and US Middle East relations, and he won a Pulitzer Prize for American Prometheus. |
| Kai Harley Wagner is a German left back for the Philadelphia Union in Major League Soccer. |