Arisa Cox (born December 7, 1978) is a Canadian television and radio personality, best known as the host of Big Brother Canada.^[1] Cox was born in Toronto, Ontario.

Attending Carleton University's journalism program,^[1] Cox first came to prominence as an on-air reporter for CTV Ottawa, then as a participant in the first season of U8TV: The Lofters,^[1] and later worked as a creative producer, entertainment and weather reporter for A-Channel Ottawa, as an entertainment reporter for The A-List and The Gill Deacon Show. She has also appeared as an actor in Instant Star, Camp Rock 2: The Final Jam, The Smart Woman Survival Guide and the CBC mini-series Guns.

From September 2007 to August 2009, Cox co-hosted the entertainment newsmagazine E! News Weekend on the now defunct E! Canada.^[1] Her cohost on E! News Weekend, Jason Ruta, was also a former U8TV lofter, who appeared during that show's second season. Following the end of that show's run, she became an arts and entertainment reporter for CBC News Network.^[1]

On January 21, 2013, Cox was announced as the host of Big Brother Canada and in 2020, she was promoted to executive producer as of Season 9.^[1][2] In May 2013, Cox was announced as the new cohost of the morning show on CHBN-FM in Edmonton, Alberta.^[3] She began her job at The Bounce on July 8 during the morning show with Ara.

In 2018 she starred as Brock St. Regis in the TV movie Christmas With a View.^[4]