Risa \r(i)-sa\ as a girl's name is pronounced REE-sah. It is of Latin origin, and the meaning of Risa is "laughter". Also a short form of names like Marisa. Rise (rih-ZAY) is a French form made familiar in the 1950s through the 1970s by opera singer Rise Stevens.
Risa has 4 variant forms: Reesa, Riesa, Rise and Rysa.
Baby names that sound like Risa are Raisa and Rosa.
Risa is a somewhat popular first name for women (#2152 out of 4276) but an uncommon surname or last name for both men and women. (1990 U.S. Census)