Baby Names Boy Names Meaning of the Name Ritsu Updated April 18, 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: Kenji, Mitsuo, Haru, Aiden, Connor, Naoki, Kaito, Sanaye, Nanami, Haruhi, Kimi, Kira, Aeres, Keaira Names like Ritsu: Ritz, Radko, Rhodes, Raddix, Raydeisha, Ridge, Ritsuko, Radka, Radhika 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