Ritsema (plural Ritsemas)
- A surname.
- According to the 2010 United States Census, Ritsema is the 29693rd most common surname in the United States, belonging to 793 individuals. Ritsema is most common among White (95.59%) individuals.
- maestri, AIRMETs, Artemis, mariets, Maistre, imarets, maistre, Reitsma, Maestri, masrite, mirates, misrate, maister, Temiars, Ter Sami, smartie, semitar