Jack Thomas
Jack Thomas may refer to:
- Jack Thomas (academic), president of Western Illinois University
- Jack Thomas (bishop), Welsh Anglican bishop
- Jack Thomas (footballer, born 1996), English footballer
- Jack Thomas (footballer, born 1890), English footballer
- Jack Thomas (swimmer), British swimmer
- Jack W. Thomas, American screenwriter and novelist
- Jack Ward Thomas, chief of the U.S. Forest Service
- Joseph T. Thomas, known as Jack, Australian citizen whose conviction for receiving funds from Al-Qaeda was overturned on appeal
- John Thomas (lacrosse), known as Jack, American lacrosse player
- A. Jack Thomas, Baltimore-area conductor
- Jack Thomas (speedway rider), British speedway rider