Leonid Grigorievich Geishtor (Russian: Леонид Григорьевич Гейштор) (born October 15, 1936) is a former Soviet Belarusian canoeist. He trained at Vodnik in Gomel. Along with teammate Sergei Makarenko, Geishtor won the first Olympic gold medal by a Belarusian competitor. The two won the men's 100 meter C-2 event at the 1960 Summer Olympics.

Geishtor was awarded the Order of the Badge of Honor in 1960.

Michael Kolganov (born 24 October 1974, in Tashkent, Uzbekistan) is an Israeli flatwater canoer and former world champion.

Born Mikhail Kolganov in the former Soviet Union, he took up canoeing at the age of 14. “I was a fat young boy,” he recalled, “and my parents were looking for a hobby for me that would help me lose weight.” Kolganov’s older brother Andrei was already a Soviet youth champion in kayaks, and represented the former Soviet Union.