Filippo Guastavillani (28 September 1541 – 17 August 1587) was an Italian Roman Catholic cardinal.
[1] His uncle Pope Gregory XIII made him a cardinal deacon in the consistory of July 5, 1574.
[1] He received the red hat and the deaconry of Santa Maria Nova on July 14, 1574.
[1] He served as cardinal protector of The Holy House of Loreto from December 11, 1580 until his death.
[1] The next year, his remains were transferred to Bologna and buried in the Church of San Francesco.