Thomas Ainsworth (1795–1841) was an Englishman and the founding father of Nijverdal.
Thomas or Tom Ainsworth may also refer to:
People Sir Thomas Ainsworth, 2nd Baronet of the Ainsworth baronets (1886–1971) Sir Thomas Ainsworth, 4th Baronet of the Ainsworth baronets (1926–1999)
Fictional characters Thomas Ainsworth, character in Gentleman Jack (TV series) Tom Ainsworth, character in Love is Strange played by Ron Silver Tom Ainsworth, character in The Raiders (1952 film)