Tadeusz Zieliński (15 March 1946 – 26 August 1977) was a Polish middle-distance runner. He competed in the men's 3000 metres steeplechase at the 1972 Summer Olympics. Zieliński died on 26 August 1977 in a car crash, one year after running 8:37.4 for 3000 m steeplechase in Poznań.