Melissa Suzanne George (born 6 August 1976) is an Australian-American actress. A former national rollerskating champion and model in Australia, George began her acting career playing Angel Parrish on the Australian soap opera Home and Away from 1993 to 1996. After moving to the United States, George made her film debut in the neo-noir science fiction feature Dark City (1998) and later appeared in supporting roles in Steven Soderbergh's crime film The Limey (1999) and David Lynch's Mulholland Drive (2001).

She also appeared in television, on series such as Friends (2003), Alias (2003–04), In Treatment (2008), Grey's Anatomy (2008–09) and Lie to Me (2010), earning a nomination for a Golden Globe Award for Best Supporting Actress – Series, Miniseries or Television Film for In Treatment. In 2005, George transitioned into leading roles in films, starring as Kathy Lutz in the remake of The Amityville Horror (2005), followed by the thriller Turistas (2006) and the vampire horror film 30 Days of Night (2007). She garnered critical acclaim for her starring role in Triangle (2009).

George's subsequent work includes the thriller A Lonely Place to Die (2011), the Australian drama series The Slap (2011), for which she won a Logie Award for Most Outstanding Actress, the British-American spy drama series Hunted (2012) and the drama series The Good Wife (2013–14). In 2015, she starred in the American adaptation of The Slap, playing the same character, Rosie, that she had played in the Australian version. She also played the lead role in the American medical drama series Heartbeat (2016).