Lucas Robin "Luke" Ridnour (born February 13, 1981) is an American professional basketball player for the NBA's Milwaukee Bucks. He was born in Idaho and grew up in Blaine, Washington.
He is the son of Rob Ridnour, a former high school basketball coach and current coach of the International Basketball League's Bellingham Slam. When Luke was a high-school sophomore he was given the keys to the gym by his father to practice at night. He was on two state title-winning teams at Blaine High School, and was named a high school All-American by both McDonald's and Parade in 2000 his graduating year.
Ridnour went on to star at the University of Oregon, where he teamed with Luke Jackson to take the Ducks to the NCAA Men's Division I Basketball Tournament twice including the Elite 8 in 2002. He set the school season record for assists (218) and made a conference-record 62 consecutive free throws.