Castle Semple Rowing Club is a rowing club on the Castle Semple Loch, based at Lochwinnoch, Renfrewshire, Central Lowlands, Scotland.

[2] In 1986 club members James Sloan and Martin Holmes represented Scotland at the 1986 Commonwealth Games in the lightweight single sculls and the coxless fours and eights respectively.

[3] The club won the Queen's Award for Voluntary Service in 2015.

[4] The club has produced multiple British champions.

This article about a rowing club is a stub.