Moacir, also spelled Moacyr ( or ), is a Brazilian masculine given name of Indigenous origin (from the Tupi–Guarani languages) and a character of the Brazilian novel Iracema.
Notable people with the name include:
Moacir Santos (1926-2006), Brazilian musician and composer, known for the jazz album Coisas Moacir Barbosa Nascimento (1921–2000), nicknamed Barbosa, Brazilian footballer Moacyr Claudino Pinto da Silva (born 1936), nicknamed Moacir or Moacyr, Brazilian former footballer Moacir Costa da Silva (born 1986), nicknamed Moacir, Brazilian footballer Moacyr Brondi Daiuto (1915–1994), Brazilian basketball coach Moacyr Filho Domingos Demiquei (born 1981), nicknamed Moacyr Filho or Nenê, Brazilian footballer Moacyr Grechi OSM (1936–2019), Brazilian Roman Catholic archbishop Moacyr José Vitti CSS (1940–2014), Roman Catholic archbishop Moacyr Scliar (1937–2011), Brazilian writer and physician