Airto Guimorvan Moreira (born August 5, 1941) is a Brazilian jazz drummer, composer and percussionist. He is married to jazz singer Flora Purim, and their daughter Diana Moreira is also a singer. Coming to prominence in the late 1960s as a member of the Brazilian ensemble Quarteto Novo, he moved to the United States and worked in jazz fusion with Miles Davis, Return to Forever, Weather Report and Santana.