Igor Sumnikov (born 29 September 1966) is a Soviet former cyclist.
He competed in the team time trial at the 1988 Summer Olympics.
[1] In 1984 Sumnikov was first in the World Championship, Road, 75 km TTT Juniors.
[2] His best results are 2x Stage Tour du Vaucluse (1987).
This biographical article relating to Soviet cycling is a stub.