Reginald, Reggie or Reg Thomas may refer to:
Reg Thomas (runner) (1907–1946), Welsh middle-distance runner Reg Thomas (English footballer) (1912–1983), English footballer Reg Thomas (Australian footballer) (1909–1966), Australian rules footballer Reg Thomas (ice hockey) (born 1953), Canadian ice hockey player Reggie Thomas (born 1953), American politician Reginald Thomas and Reggie (wrestler), ring names of American professional wrestler and former acrobat Sidney Iking Bateman (born 1993)