Thomas may refer to:

• 1 People
• 2 Manufacturing companies
• 3 Places
• 4 Religion
• 5 Television
• 6 Fictional characters
• 7 Other uses
• 8 See also

• Thomas (name), a masculine given name
• Thomas (surname)
• Thomas the Apostle, see also Saint Thomas (disambiguation)
• Thomas (activist) (1947–2009), anti-nuclear and anti-war activist

• Thomas Built Buses
• Thomas Motor Company, a former US manufacturer of motorcycles and automobiles
• Thomas & Betts, a designer and manufacturer of connectors and components for electrical and communication markets
• Thomas-Detroit (automobile company), a former U.S. automobile manufacturer

• Thomas, Indiana
• Thomas, Oklahoma
• Thomas, Virginia
• Thomas, West Virginia

• Gospel of Thomas, a New Testament-era apocryphon
• Infancy Gospel of Thomas, an infancy gospel
• Book of Thomas the Contender, a gnostic book discovered in the Nag Hammadi library
• Acts of Thomas, another gnostic text
• Apocalypse of Thomas, a Christian gnostic apocalypse

• Thomas & Friends, the spin-off television series

• Thomas the Tank Engine, a locomotive character from The Railway Series of children''s books by the Rev. W. Awdry
• Thomas H. Norstein, a major character in Digimon Data Squad
• Thomas Tomone, a fictional character from Skins
• Tom Cat also known as Thomas, the titular blue cat in the Tom and Jerry cartoon
• Tommy Pickles also known as Thomas, is the main character in the American animation series The Rugrats and All Grown Up
• Thomas, an intern at the park who is a goat in the fourth season of Regular Show
• Thomas Barrow (Downton Abbey), the underbutler on the series Downton Abbey

• THOMAS, the US Library of Congress''s online database
• Thomas'', a brand of English muffins and bagels in North America
• Thomas algorithm, a numerical algorithm to solve a tridiagonal system of equations
• Thomas theorem, a theory of belief and their consequences
• "Thomas," a song by A Perfect Circle from their 2000 album Mer de Noms