Andrea Riggio or Reggio (1660–1717) was a Roman Catholic prelate who served as Titular Patriarch of Constantinople (1716–1717) and Bishop of Catania (1693–1717).

Andrea Riggio was born on 10 Mar 1660 in Palermo and ordained a priest on 15 Jan 1685.

[1] On 9 Mar 1693, he was appointed during the papacy of Pope Innocent XII as Bishop of Catania.

[2][1][3] On 15 Mar 1693, he was consecrated bishop by Gasparo Carpegna, Cardinal-Priest of Santa Maria in Trastevere, with Petrus Draghi Bartoli, Titular Patriarch of Alexandria, and Michelangelo Mattei, Titular Archbishop of Hadrianopolis in Haemimonto with serving as co-consecrators.

[1] On 13 Jan 1716, he was appointed during the papacy of Pope Clement XI as Titular Patriarch of Constantinople.