Lewis Thomas (1913–1993) was an American writer, physician, educator, policy advisor, and researcher.
Lewis Thomas may also refer to:
Lewis Thomas (bishop) (died 1561), Bishop of Shrewsbury Lewis Cobden Thomas (1865–1928), Welsh international rugby union forward Lewis Thomas (politician) (1832–1913), colliery owner and politician in Queensland, Australia Lewis Thomas (footballer, born 1997), Welsh goalkeeper for Bristol City Lewis Thomas (footballer, born 2002), English goalkeeper for Harrogate Town
See also
Louis Thomas (disambiguation)