Brian Adrian Clemenson (born 1963) is a retired English greyhound trainer.

[1][2] Clemenson was a head man for Kenny Linzell before taking out a trainer's licence.

He came to prominence in the early 1990s and after reaching multiple finals finally won a feature competition in 1999 when he won the Pall Mall Stakes.

[7] It was during the early part of the decade that Clemenson was the leading trainer in Britain.

He trained the winners of many competitions including three Cesarewitch's, an Oaks, a St Leger, four Champions Stakes, three Golden Jackets, eight Olympics, two Regencys, two Pall Mall Stakes, three Sussex Cups and two Trafalgar Cups.