Yuri Leonidovich Ivanov (born 2 July 1959) is a former international speedway rider from the Soviet Union.
Kazakov is a three times world champion after winning the gold medal at the Individual Ice Speedway World Championship in the 1986 Individual Ice Speedway World Championship, 1987 Individual Ice Speedway World Championship and 1992 Individual Ice Speedway World Championship.
In addition he won the Team Ice Racing World Championship seven times (1986, 1987, 1988, 1989, 1990, 1991 and 1992).