Baby Names Girl Names Meaning of the Name Naoko Updated January 18, 2026 by Jennifer M. Naoko Gender: Female Origin: Japanese Meaning: Honest, Pure, Child ♥ Add to my Namelist What is the meaning of the name Naoko? The name Naoko is primarily a female name of Japanese origin that means Honest, Pure, Child. People who like the name Naoko also like: Aiko, Mizuki, Sayuri, Suki, Kaida, Kaiya, Michiko, Toshihiro, Naoki, Zentaro, Daishiro, Zenjiro, Zeke, Ryu Names like Naoko: Niesha, Nicky, Nike, Nasia, Nisa, Nancia, Nakeisha, Nisha, Nakisia, Nyoka, Nyeki, Nogah, Neus, Nausicaa, Nascha, Ninja, Nyasia, Nysa, Nage, Naaji, Nikkos, Nakisha, Nikki, Nneke, Naji, Noach, Niaz, Nemesio, Nashwa, Neige Stats for the Name Naoko Naoko is currently not in the top 100 on the Baby Names Popularity Charts Naoko is currently not ranked in U.S. births