Thomas Dekker may refer to:
Thomas Dekker (writer) (c. 1572–1632), Elizabethan poet and dramatist Thomas Dekker (actor) (born 1987), American film and television actor and musician Thomas Dekker (cyclist) (born 1984), Dutch road racing cyclist
See also Thomas Leighton Decker (1916–1978), Sierra Leonean poet, linguist, and journalist