Loza is a surname. Notable people with the surname include:
Boris Loza, a Russian computer security expert living in Canada
Dmitry Loza, a Hero of the Soviet Union
Jamar Loza, Jamaican footballer, currently playing for Norwich City
Kyle Loza, FMX (Freestyle Motocross) rider
Melissa Loza, Peruvian model
Rito Romero Loza, Mexican professional wrestler
Santiago Loza, Argentine film director
Steven Loza, Latin music musicologist
Verónica Loza, vocalist in the band Bajofondo
Yuri Loza, Russian poet, singer and composer
