Isla Lang Fisher (born February 3, 1976) is an Australian actress and author. She was born in Muscat, Oman, to Scottish parents from Bathgate and Stranraer, and was raised in Perth, Western Australia. They resided in Muscat because of her father's job as a banker for the United Nations. Her mother is a romance novelist. Isla's name, after the Scottish island of Islay, is pronounced eye-la. She began acting on Australian television, on the short-lived soap opera Paradise Beach before playing Shannon Reed on the soap opera Home and Away. She has since been known for her comedic roles in Wedding Crashers (2005), Hot Rod (2007), Definitely, Maybe (2008), and Confessions of a Shopaholic (2009). She is married to comedian Sacha Baron Cohen. Fisher and Baron Cohen have a daughter, Olive Baron Cohen, born on October 19, 2007 in Los Angeles.
In the summer of 2010 Isla gave birth to her second child with Sacha Baron Cohen.