Adolf Alfred Jan Zimmer (28 February 1908 – spring 1940) was a Polish footballer who played as a forward, victim of the Katyn massacre. He made one appearance for the Poland national team in 1934. His club was Pogoń Lwów. A lieutenant in the Polish Army, he was imprisoned by the NKVD following the Soviet invasion of Poland in 1939 and killed in the Katyn Massacre in May 1940, aged 32.