Kao

Meaning & origin

The name Kao is an extremely rare given name in the United States, first recorded in 1980. It reached its peak popularity in 1981, the year after it first appeared, and has since remained consistently uncommon, with a stable trajectory. In 2025, it ranked 8,910th nationally, with only about 1 in 213,510 babies receiving the name. The name's origins are uncertain, but it likely draws from Japanese, Thai, or Chinese roots, where it may carry meanings like 'fragrance', 'rice', or 'tall'. Due to its rarity and cross-cultural resonance, Kao remains a distinctive choice, though it has not seen significant adoption in any U.S. state or decade.

The name Kao has multiple possible origins. In Japanese, it could derive from the character 香 (ka) meaning 'fragrance' or 花 (ka) meaning 'flower', or be a short form of names like Kaori. In Thai and Chinese languages, 'Kao' may mean 'rice' (Thai) or 'tall/high' (Chinese). However, its use as a given name in English-speaking countries appears to be modern and rare, likely drawn from these cultural contexts or as a respelling of similar sounds.