Luigi Ruzini (1658–1708) was a Roman Catholic prelate who served as Bishop of Bergamo (1698–1708).

[1] Luigi Ruzini was born in Venice, Italy on 23 Apr 1658.

[2] On 27 Jan 1698, he was appointed during the papacy of Pope Innocent XII as Bishop of Bergamo.

[1][2] On 2 Feb 1698, he was consecrated bishop by Marcantonio Barbarigo, Bishop of Corneto e Montefiascone, with Francesco Pannocchieschi d'Elci, Archbishop of Pisa, and Marcello d'Aste, Titular Archbishop of Athenae, serving as co-consecrators.

[2] He served as Bishop of Bergamo until his death on 18 Mar 1708.