Alister Walker is a professional squash player from Botswana, Southern Africa.

Alister has achieved a highest Professional Squash Association (PSA) World Ranking of twenty-eight and a highest English National Ranking of fourteen.

Alister has won two PSA World Tour titles; Spaworld Hellendoorn Open (2003) and the V Open International D’Squash Esport rocafort-St Anton (2005).

Alister was a member of England Junior Team which triumphed at the 2000 World and European Team Championships, and in 2004, was crowned U23 British National Champion.

Alister is managed by internationalSPORTgroup™ and is part of the England Squash World Class Performance Programme under the guidance of England National Coach David Pearson.