Thomas

Thomas may refer to:

In people:
 * Thomas (surname)
 * Thomas (name), a masculine given name
 * Thomas the Apostle

In business:
 * THOMAS, the US Library of Congress's online database
 * Thomas Built Buses

In food:
 * Thomas', a brand of English muffins and bagels in North America

In music:
 * "Thomas," a song by A Perfect Circle from their 2000 album Mer de Noms

In places:
 * Thomas, Oklahoma
 * Thomas, West Virginia
 * There are also places called Thomaston and Thomasville

In religion:
 * 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

In sociology:
 * Thomas theorem, a theory of belief and their consequences

In television:
 * Thomas the Tank Engine, a locomotive character from The Railway Series of children's books by the Rev. W. Awdry
 * Thomas and Friends, the spin-off television series
 * Thomas H. Norstein, a major character in Digimon Data Squad

In math:
 * Thomas algorithm, a numerical algorithm to solve a tridiagonal system of equations