Koo as a Baby Name. Meaning and Origin of Koo

What is the meaning of the name Koo ?

The baby name Koo is a Unisex name , 1 syllables long and is pronounced /kuː/ (KOO, rhymes with 'too').

Koo is Chinese, Dutch, Korean in Origin.

Koo is a short, modern-sounding unisex name with multiple East Asian roots. Among Chinese diaspora spellings, it often represents the surname 顧 “to look after; safeguard,” and less often 古 “ancient.” In Korea, Koo is a widely used romanization of the surname 구 (Gu), most typically written with the hanja 具 “to provide, furnish”; the spelling gained visibility through the LG business family. In Japanese contexts, Koo can render the given name Kō, reflecting older practice of writing the long vowel ō as “oo.”

Meanings vary by script choice: Chinese 顧 suggests care or protection; 古 evokes antiquity. Korean given-name element 구 may be 久 “long-lasting,” 九 “nine,” 求 “seek,” or 救 “rescue.” Japanese Kō spans 光 “light,” 幸 “fortune,” 孝 “filial piety,” and more. Variants and related forms include Gu, Goo, Ku, Kō, Kou, and Koh. As a given name, Koo is rare but culturally versatile.