Maria Olivia Daytia Prats (born October 20, 1981), better known by the screen name Isabel Oli, is a Filipina model, and television and movie actress.
Isabel is the youngest of seven children of Filipino father of Chinese descent and a Filipina mother of Spanish descent. Isabel finished her secondary education at Cebu Eastern College and college degree from the University of San Jose-Recoletos (Cebu) with the degree in Information Technology. She started to get the attention of the viewers when she landed a role in the Max's of Manila restaurant commercial. She started her acting career in ABS-CBN in 2004 via It Might Be You and Maalaala Mo Kaya episode with John Prats and Baron Geisler before moving to GMA Network in 2005.
However, it was her similarly named role of Isabel, the leading lady to matinee idol, Richard Gutierrez in Sugo, that launched her to full stardom, her exposure on Sugo also landed her a role on the GMA Films' summer 2006 offering Moments of Love. Her face currently graces the covers of glossy magazines, billboards and print ads, and appears regularly on GMA Network shows. Isabel played her antagonist and villain role Rosita, originally played by award-winning actress Lorna Tolentino, in Sine Novela: Maging Akin Ka Lamang. She then appeared in Gagambino, opposite Dennis Trillo.