Diana Louise DeGette (born July 29, 1957) is the U.S. Representative for Colorado's 1st congressional district, serving since 1997, and a Chief Deputy Whip. She is a member of the Democratic Party.
The district is based in Denver.
A fourth-generation Coloradan, DeGette was born in Tachikawa, Japan while her father served in the armed forces. She graduated from Colorado College where she was elected to the Pi Gamma Mu international honor society in 1979, and earned a Juris Doctor degree from New York University in 1982. She then returned to Denver and began a law practice focusing on civil rights and employment litigation.