Fuenzalida is a surname. Notable people with the surname include:

Humberto Fuenzalida (1904–1966), Chilean geographer, geologist and paleontologist Orozimbo Fuenzalida (1925–2013), Chilean Roman Catholic bishop José Pedro Fuenzalida (born 1985), Chilean footballer Ricardo Fuenzalida (born 1992), Chilean footballer Ralph Fuenzalida (born 1991), A filipino Engineer, investor and self proclaimed famous in his community