Baby Names Boy Names Meaning of the Name Ritsu Updated May 6, 2026 by Jennifer M. Ritsu Gender: Male Origin: Japanese Meaning: Law #Literary #Occupational #Virtue ♥ Add to my Namelist What is the meaning of the name Ritsu? The name Ritsu is primarily a male name of Japanese origin that means Law. People who like the name Ritsu also like: Yuuki, Misu, Ryu, Naoki, Shiro, Takumi, Denji, Mei, Hanae, Himari, Mio, Satomi, Haruhi, Kaede Names like Ritsu: Ritsuko, Rhodes, Radko, Radhika, Raddix, Ritz, Raydeisha, Radka, Ridge Stats for the Name Ritsu Ritsu is currently not in the top 100 on the Baby Names Popularity Charts Ritsu is currently not ranked in U.S. births