Baby Names Girl Names Meaning of the Name Misako Updated December 14, 2025 by Jennifer M. Misako Gender: Female Origin: Japanese Meaning: Chastity, Fidelity, Child ♥ Add to my Namelist What is the meaning of the name Misako? The name Misako is primarily a female name of Japanese origin that means Chastity, Fidelity, Child. Names like Misako: Makaio, Mocha, Manas, Mashaka, Mizu, Miyoko, Mihoko, Meza, Monissa, Maxi, Moxie, Momiji, McKee, Missa, Misce, Masashi, McCoy, Mansi, Misaki, Mancuso, Mochi, Majazz, Michiyo, Mineko, Musa, Moss, Magic, Mesha, Massika, Mags Stats for the Name Misako Misako is currently not in the top 100 on the Baby Names Popularity Charts Misako is currently not ranked in U.S. births