Kenneth George Viljoen (14 May 1910 – 21 January 1974) was a South African cricketer who played in 27 Test matches from 1930–31 to 1948–49.

[1] Making his Test debut in 1930, he played his first and last Tests against England.

He was later a manager of post–World War II South African teams.

He was born in Windsorton, Cape Province, and died in Krugersdorp, Transvaal.

This biographical article related to a South African cricket person born in the 1910s is a stub.