Dimants Yutvaldovits Krišjanis (born 15 September 1960) is a Latvian former rower who competed for the Soviet Union in the 1980 Summer Olympics.
He was born in Riga and is the younger brother of Dzintars Krišjanis.
In 1980 he was a crew member of the Soviet boat which won the silver medal in the coxed fours event.