Llewellyn Thomas (disambiguation)

Llewellyn Thomas (1903–1992) was a British physicist and applied mathematician.

Llewellyn Thomas may also refer to:


 * Llewellyn Thomas (English cricketer) (1865–1924), English cricketer
 * Llewellyn Thomas (Australian cricketer) (1883–1962), Australian cricketer
 * Thomas Llewellyn Thomas (1840–1897), Welsh scholar generally known as Llewellyn Thomas