Maria Katrina Irene Pe Halili (born on January 4, 1986 in Quezon City but raised in El Nido, Palawan, Philippines), popularly known as Katrina Halili, is a Filipina actress of Chinese descent.

Katrina Halili is an alumna of the StarStruck talent search and was the cover girl of FHM Philippines for its December 2005 issue. She was subsequently voted as FHM Philippines sexiest woman for the year 2006 and bagged the title yet again in 2007. She is the first StarStruck contestant to top the FHM Philippines' 100 Sexiest list and the only Filipina celebrity to have won the title twice in a row. She is a three-time FHM Philippines covergirl. With 316,000 votes of which 123,000 for Katrina Halili, Marian Rivera on June 29, 2008 won the 2008 Philippines Finest (FHM 100 Philippines sexiest women list, cover girl), while Halili was 2nd. Halili and Cristine Reyes are the 2008 calendar girls for FHM Philippines.

She is related to StarStruck 1 finalist and co-avenger, Sheena Halili, with whom she is friends with since their StarStruck and MariMar days.

She is the lead villain in Marimar with Marian Rivera and Dingdong Dantes, the series where she became a household name.

She leads a role for the first time in Sine Novela: Magdusa Ka, which stars Dennis Trillo as her leading man whom she is paired with, and Iwa Moto as the antagonist. Her acting skills is compared to Dina Bonnevie.