Baby Names Girl Names Meaning of the Name Namiko Updated January 11, 2026 by Jennifer M. Namiko Gender: Female Origin: Japanese Meaning: Wave, Child ♥ Add to my Namelist What is the meaning of the name Namiko? The name Namiko is primarily a female name of Japanese origin that means Wave, Child. People who like the name Namiko also like: Mila, Marlee, Raina, Kalista, Kimiko, Eliana, Nao, Neka, Yeshaya, Riku, Vasska, Vladimir, Valerian, Varius Names like Namiko: Nemesio, Noki, Nesiah, Nancy, Nikeiza, Nisha, Nyoka, Naaji, Neus, Nakisia, Nuncio, Nox, Niko, Nhung, Nysa, Namusoke, Naji, Nico, Nesha, Nasia, Nomiki, Nazih, Nick, Noga, Nunez, Nancia, Necia, Nimeesha, Nike, Nashwa Stats for the Name Namiko Namiko is currently not in the top 100 on the Baby Names Popularity Charts Namiko is currently not ranked in U.S. births