Peter Werner Zeun (born 1951) is a British retired lightweight rower.

Zeun was selected by Great Britain in the lightweight single sculls at the 1975 World Rowing Championships, he finished in 9th overall and 3rd in the B final.

[2] In 1977 he finished fourth in the B final at the 1977 World Rowing Championships in Amsterdam.

[3] He won a gold medal at the 1978 FISA Lightweight Championships in Copenhagen with the lightweight men's eight.

This biographical article relating to English rowing is a stub.