Mauritz is a variant spelling of Maurits. Notable people with the name include:
Gustaf Mauritz Armfelt (1757–1814), Finnish courtier and diplomat
Kristian Mauritz Mustad (1848–1913), Norwegian politician for the Liberal Party
Mauritz Andersson (1886–1971), Swedish wrestler
Mauritz Brännström (1918–2006), Swedish cross-country skier
Mauritz Carlsson (1890–1953), Swedish track and field athlete
Mauritz de Haas (1832–1895), Dutch-American marine painter
Mauritz Eriksson (1888–1947), Swedish sport shooter
Mauritz Johansson (1881–1966), Swedish sport shooter
Mauritz Stiller (1883–1928), Finnish Jewish actor, screenwriter and influential silent film director
Wilhelm Mauritz Klingspor (1744–1814), Swedish noble military officer, who participated in the coup that dethroned Gustav IV of Sweden