Emilie de Ravin (born 27 December 1981) is an Australian actress. She has played Tess Harding on Roswell and Claire Littleton on the ABC drama Lost. In 2012 she guest-starred as Belle on the ABC drama Once Upon a Time and became a series regular beginning in the show's second season.

De Ravin's film credits include Santa's Slay (2005), The Hills Have Eyes (2006) and Ball Don't Lie (2008). She starred as Brendan Frye's heroin-addicted ex-girlfriend Emily in the neo-noir film Brick (2005). She had a small cameo in Public Enemies (2009) and more recently starred in Remember Me (2010). De Ravin was included on Maxim's Hot 100 list three times: in 2005, on #47, the next year on #65, and in 2008 on #68.