Teodor Cerný (born 18 January 1957) is a retired cyclist from Czechoslovakia.
He won a bronze medal in the 4000 m team pursuit At the 1980 Summer Olympics.
He missed the 1984 Summer Olympics due to their boycott by Czechoslovakia and competed in the Friendship Games instead, winning a bronze medal in the team pursuit.
His team won this event at the 1986 World Championships.
Individually, his best achievement was second place in the Lidice Race in 1984.