Ian Wilson (born 19 December 1970) is a retired long-distance freestyle swimmer from Great Britain.

He represented his native country at the 1992 Summer Olympics in Barcelona, Spain.

There he finished in fifth place in the men's 1500-metre freestyle event.

The previous year he won the silver medal at the 1991 European Long Course Championships in the same event.

[1] He represented England in the 400 metres and 1,500 freestyle events, at the 1990 Commonwealth Games in Auckland, New Zealand.