Jacinto is a surname. Notable people with the surname include:
Andreia Jacinto (born 2002), Portuguese footballer
António Jacinto (1924–1991), Angolan poet and politician
Bayani Jacinto (born 1969), Filipino lawyer and jurist
Emilio Jacinto (1875–1899), Filipino general during the Philippine Revolution
Juan Jacinto (born 1978), Dominican judoka
Manny Jacinto, Filipino-Canadian actor
Ramon Jacinto (born 1945), Filipino businessman, musician, radio TV personality and former government official
Norrie Jacinto (1945-2017), Filipino singer, aka the Neil Sedaka of the Philippines