Aleksandr Ryazankin (Russian: ÃÂûõúÃÂðýôààÃÂ÷ðýúøý; born 21 July 1949) is a Soviet rower.
Ryazankin was born in 1949. At the 1970 World Rowing Championships in St. Catharines, he won silver with the men's eight. He competed at the 1972 Summer Olympics in Munich with the men's eight where they came fourth. At the 1973 European Rowing Championships in Moscow, he was with the men's eight that won bronze.