Mariel Rodriguez (born Maria Erlinda Termulo July 1984) is a model and TV host. She used to be a host in Extra Challenge, a show in GMA-7 before eventually transferring to rival station ABS-CBN, where she was one of three hosts of the Philippine franchise of reality show Big Brother, Pinoy Big Brother, Season 1 along with Toni Gonzaga and Willie Revillame.

Mariel made her big break on the MTV Asia show Rouge. Her performance on the show caught the eye of MTV Philippines executives and was made an MTV VJ in December 2004, although left MTV recently to focus on her burgeoning showbiz career. She is currently one of the hosts of the noontime show Wowowee.