Diane Dezura (born July 1, 1958 in Burnaby, British Columbia as Diane Nelson) is a Canadian retired curler and Olympic medalist. As Diane Nelson, she played lead on for the Kelley Law rink in the early 2000s, one of the best teams in the world at the time. While she was with the team, the Law rink won a world championship in 2000 and a bronze medal at the 2002 Winter Olympics in Salt Lake City.

In her career, Dezura played in five Scott Tournament of Hearts, in 1988, 1989, 2000, 2001 and in 2004, winning the event in 2000.