Charles Terence Clegg "Terry" Wall (born 14 December 1936) is a British mathematician, educated at Marlborough and Trinity College, Cambridge.

His research was then mainly in the area of manifolds, particularly geometric topology and related abstract algebra included in surgery theory, of which he was one of the founders.

His 1970 research monograph "Surgery on Compact Manifolds" is a major reference work in geometric topology.

Wall continued on as treasurer of the newly formed Wirral West Liberal Democrats but, as of May 2020, is no longer holding this position.

[3][4] Wall has been an LEA appointed governor of West Kirby Grammar School since 1987 but has also given up this position.