Jan Werner (25 July 1946 – 21 September 2014) was a Polish sprinter who specialized in the 200 and 400 metres.

[1] In the 4 x 400 metres relay he finished fourth together with Stanislaw Gredzinski, Jan Balachowski and Andrzej Badeński.

[10] At the 1970 European Indoor Championships the Polish relay team won silver medals.

[11] At the 1971 European Indoor Championships he won a gold medal in the 4 x 400 metres relay together with Waldemar Korycki, Andrzej Badeński and Jan Balachowski.

At the 1976 Olympic Games he finished eighth in the 400 metres and won a silver medal in the relay, together with Ryszard Podlas, Zbigniew Jaremski and Jerzy Pietrzyk.