Baby Names Boy Names Meaning of the Name Ko Updated January 18, 2026 by Jennifer M. Ko Gender: Male Origin: Japanese Meaning: Cultivate, Plow, Till ♥ Add to my Namelist What is the meaning of the name Ko? The name Ko is primarily a male name of Japanese origin that means Cultivate, Plow, Till. People who like the name Ko also like: Rokuro, Ray, Benjamin, Riki, Aran, Frank, Kato, Hana, Kasumi, Sarah, Lin, Mai, Ai, Maya Names like Ko: Kazuo, Kikuyo, Keshia, Kazushige, Kikuye, Kessya, Koichi, Kezia, Kazu, Kai, Kish, Kouki, Kissa, Keeya, Kazuya, Kaseko, Kahiau, Kiasax, Kaia, Koko, Kawai, Kesha, Kiyoye, Kacia, Kaycee, Keisuke, Kassa, Kozuye, Kayo, Kaiyo Stats for the Name Ko Ko is currently not in the top 100 on the Baby Names Popularity Charts Ko is currently not ranked in U.S. births