Peter Oelrichs Duchin (born 28 July 1937) is an American pianist and band leader.
Duchin was born in New York City, the son of pianist and band leader Eddy Duchin. His mother was Marjorie Oelrichs, a Newport, Rhode Island and New York City socialite who died unexpectedly when he was just five days old. He was raised by close family friends, statesman W. Averell Harriman and his wife, Marie Norton Whitney Harriman.
Duchin was educated at Eaglebrook and Hotchkiss prep schools in New England. He spent time in Paris, France and studied at the Sorbonne before returning home and graduating from Yale University.