Baby Names Boy Names Meaning of the Name Ritsu Updated January 11, 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, Ryu, Raiden, Shouta, Daichi, Denji, Ryuu, Midori, Hanae, Izumi, Manae, Haruhi, Keaira, Kaede Names like Ritsu: Radhika, Ritz, Raydeisha, Raddix, Ritsuko, Radka, Ridge, Rhodes, Radko 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