Lev Alekseyevich Kalyayev (Russian: Леван Алексеевич Каляев; May 16, 1929 - August 19, 1983) was a Soviet athlete who competed mainly in the 100 metres.
Kalyayev competed for the USSR in the 1952 Summer Olympics held in Helsinki, Finland in the 4 x 100 metre relay where he won the silver medal with his team mates Boris Tokarev, Levan Sanadze and Vladimir Sukharev.
Kalyayev was born in Saint Petersburg on May 16, 1929. He died there on August 19, 1983 at the age of 54.