Estella Dawn Warren (born December 23, 1978) is a Canadian actress, former fashion model, and a former synchronized swimmer.

Estella Warren was born in Peterborough, Ontario, Canada, North America, to Esther, an elementary school headmistress, and Don Warren, a used car dealer. She is the youngest of three daughters.

In 1990, at the age of 12, Warren moved to Toronto to train with the national synchronized swimming team. In 1995, after becoming the senior national champion at 17, Warren had the chance to move on to the 1996 Summer Olympics.

Warren has appeared in Sports Illustrated, Vogue, Vanity Fair, and two television commercials for Chanel No. 5 perfume. She was named Maxim Magazine's Hottest Woman in 2000. She was ranked as #61 in FHM's "100 Sexiest Women in the World 2005" special supplement and was the November 2007 entry in Stuff magazine's 2006-2007 pinup calendar.

Warren also has appeared in campaigns for Andrew Marc, Perry Ellis, Nine West, Cartier, Volvo, De Beers, and Cacharel, as well as in television advertisements for Samsung. Additionally, she has modeled for Victoria's Secret and in 2000 hosted the televised special for the Sports Illustrated Swimsuit Issue's 2000 edition.

Warren's movies include Driven (2001), Planet of the Apes (2001), Kangaroo Jack (2003), and the critically acclaimed The Cooler (2003).

Warren has appeared in That '70s Show in 2003, as well as in Law & Order and its spin-off Law & Order: Special Victims Unit, both in 2005. She also appeared in Ghost Whisperer, in an episode entitled "On the Wings of a Dove", where she portrayed Alexis ("Lexi") Fogerty, which aired on November 11, 2005.

In 2006, Warren was featured in the video for INXS's song "Afterglow", and played Jessica in the National Lampoon film Pucked. She was also featured in the Blank and Jones music video for their song "Beyond Time".