Gian Antonio Selva (2 September 1751 - 22 January 1819) was an Italian neoclassical architect.
He was born in Venice. His works include Villa Manfrin detta Margherita a Sant'Artemio, near Treviso (c. 1790), the original Teatro La Fenice (designed in 1898 and destroyed in 1996), the Teatro Nuovo of Trieste (1798), Teatro de La Sena of Feltre, cathedral of Cologna Veneta (1807-10) and the church of San Maurizio in Venice (1806).
He died in Venice in 1819.