Cheryl Lau Sang (born 5 August 1951), known professionally as Samantha Sang, is an Australian singer. She had an earlier career as a teenage singer under the stage name Cheryl Gray, before adopting the stage name she is more widely known as in 1969. She first received nationwide recognition in Australia in 1967, after releasing the top ten single "You Made Me What I Am".

By 1969, Sang relocated to the United Kingdom, where she worked with the Bee Gees, before returning to Australia in 1975. She reconnected with the Bee Gees in 1977 and had an international hit with their song "Emotion", peaking at number three on the Billboard Hot 100, number two in Australia and number eleven in the United Kingdom. The single's parent album, Emotion (1978), reached the top thirty on Billboard 200 and included two other singles.