Peter Allen (born Peter Richard Woolnough; 10 February 1944 – 18 June 1992) was an Australian singer-songwriter, musician and entertainer, known for his flamboyant stage persona, boundless energy, and lavish costumes. His songs were made popular by many recording artists, including Elkie Brooks, Melissa Manchester and Olivia Newton-John, including Newton-John's first chart topping hit "I Honestly Love You", and the chart topping and Academy Award winning "Arthur's Theme (Best That You Can Do)" by Christopher Cross.

In addition to recording many albums, he enjoyed a cabaret and concert career, including appearances at the Radio City Music Hall riding a camel. His patriotic song "I Still Call Australia Home", has been used extensively in advertising campaigns, and was added to the National Film and Sound Archive's Sounds of Australia registry in 2013. Allen was the first husband of Liza Minnelli.