Danielle Spencer (born May 16, 1970) is an English-born Australian singer, songwriter and actress. She is the daughter of Australian television presenter Don Spencer.

Danielle is best known for being married to movie star Russell Crowe. Danielle and Russell married on his 39th Birthday (April 7) in 2003 and have two sons, Charles Spencer Crowe, born 21 December 2003 and Tennyson Spencer Crowe (named after the famous English poet Alfred Lord Tennyson), born 7 July 2006.

During the 1990s she had several roles in Australian soap operas, using the work to raise funds to demo and produce her original compositions.