Thomas Armstrong
Thomas, Tom or Tommy Armstrong may refer to:
Politicians
- Thomas Armstrong (Australian politician), member of the New South Wales Legislative Council
- Thomas Armstrong (New York politician), New York politician
- Thomas Armstrong (Wisconsin politician), Wisconsin politician
- Sir Thomas Armstrong (English politician), English army officer and MP, executed for treason
- Thomas Armstrong (Florida politician), American politician in the state of Florida
- Thomas E. Armstrong, American Republican politician from Pennsylvania
- Thomas H. Armstrong, American Lieutenant Governor of Minnesota
- Tom Armstrong (politician), Australian politician from New South Wales
- Tommy Armstrong (New Zealand politician), New Zealand politician
Sportspeople
- Thomas Armstrong (Oxford University cricketer), English cricketer for Oxford University
- Thomas Armstrong (Nottinghamshire cricketer), English cricketer for Nottinghamshire
- Thomas Armstrong (Australian cricketer), Australian cricketer for Victoria
- Thomas Armstrong (Derbyshire cricketer), English cricketer for Derbyshire
- Thomas Armstrong (footballer), English footballer for Liverpool
- Tom Armstrong (footballer), Northern Irish footballer
- Tom Armstrong (rugby league), English professional rugby league footballer
- Tommy Armstrong Jr., American football player
- Tommy Armstrong (bowls), England international lawn bowler
Other
- Sir Thomas Armstrong (musician), English organist, conductor, educationalist and adjudicator
- Thomas Armstrong (writer), British novelist
- Thomas Armstrong (painter), English artist and arts administrator
- Thomas N. Armstrong III, American museum curator
- Thomas Armstrong (bishop), Anglican bishop in Australia
- Tommy Armstrong (singer-songwriter), 19th century singer-songwriter from County Durham
- Tom Armstrong (cartoonist), American cartoonist