Worldwide, Rjazanov (Рязанов , Rjazanov ) is an extremely rare masculine first name. Much more prevalently, Rjazanov is the last name as well as the forename.
Riazanov, Rosanow, Rozanov, Ryazanov, Рйазанов, and Розанов
Mr, Igor, Andrej, and Michael
, Rjazanov 
) is an extremely rare masculine first name. Much more prevalently, Rjazanov is the last name as well as the forename.