Horta is a Portuguese surname. Notable people with the surname include:
Adolfo Horta (1957–2016), Cuban boxer
André Horta (born 1996), Portuguese footballer
Andréia Horta (born 1983), Brazilian actress
Carolina Horta (born 1992), Brazilian beach volleyball player
Francisco Horta (born 1993), Mexican boxer
Luís Horta (born 1952), Portuguese former footballer
Maria Teresa Horta (1937–2025), Portuguese feminist poet, novelist, journalist, and activist
Oscar Horta (born 1974), Spanish animal activist and moral philosopher
Ricardo Horta (born 1994), Portuguese footballer
Silvio Horta (1974–2020), American screenwriter and television producer
Victor Horta (1861–1947), Belgian architect
