Kim Marie Willoughby (born November 7, 1980) is a retired American indoor volleyball player.
She is 5'11" (1.80 m) and is an outside hitter.
In 2007, she played professionally for the Italian Serie A League Familia Chieri.
In April 2008, she joined the U.S.
national team.
Willoughby made her Olympic debut at the 2008 Beijing Olympics, helping the USA to a silver medal.
Playing with Colussi Sirio Perugia she won the bronze medal at the 2008–09 CEV Indesit Champions League, and she was awarded "Best Receiver".