Peter Laeng (born 29 March 1942) is a retired Swiss sprinter who specialized in the 100, 200 and 400 metres.
He was born in Zürich and represented the club LC Zürich.
He did not reach the final on either occasion.
[2] His personal best times were 10.4 seconds in the 100 metres (1961); 20.7 seconds in the 200 metres (1962); and 45.7 seconds in the 400 metres (1962).
This biographical article relating to Swiss athletics is a stub.