There are at least two artists by this name:

(1) A country singer and songwriter from Texas.
(2) An alias of techno producer Thomas Wendel.

(1) Don Williams (Born May 27, 1939, in Floydada, Texas – Died September 8, 2017) spent much of his childhood in Corpus Christi, Texas. His father was a mechanic whose job took him to other regions, his mother played guitar and he grew up listening to country music. He and Lofton Kline formed a semi-professional folk group called the Strangers Two