Urgel "Slim" Wintermute (born July 9, 1917 – presumed dead October 1977) was an American collegiate and professional basketball player.

Born in Portland, Oregon, Wintermute attended high school in Longview, Washington.

[1] A mobile 6-foot-8-inch (2.03 m) center, Wintermute was a key member of the 1938–39 Oregon Ducks men's basketball team, winners of the first NCAA Tournament championship.

[2] He was elected to the University of Oregon Athletic Hall of Fame in 1994 and is one of six Ducks whose numbers have been retired.

[3] On October 21, 1977, Wintermute set out in his yacht from Portage Bay in Seattle's Lake Union and did not return.