Them is the English third person accusative (i.e., used after a preposition or as the object of a verb) plural personal pronoun. They is the nominative form (i.e., subject of a phrase). Them is sometimes also used in the singular as the accusative form of the singular they. (See also: English personal pronouns).

Them or THEM may also refer to:

• Celtic F.C., Scottish football club
• Them, Denmark, a municipality
• Them (band), a band featuring Van Morrison
• Themselves, a band formerly known as Them
• Them (novel), a 1969 novel by Joyce Carol Oates
• Them: Adventures with Extremists, a 2003 book by Jon Ronson
• Them (2006 film), French Horror film starring Olivia Bonamy and Michael Cohen
• Them!, a 1956 science fiction film about giant ants
• "Them", a 1988 album by heavy metal band King Diamond
• Them (TV series), a Fox network television series
• THEM (TV series), also known as Totally Hidden Extreme Magic, a short lived television series
• THEM! (comics), a gang of villains from the Wonder Woman comic
• THEM (Marvel universe), a fictional terrorist organisation
• "The Honourable Elijah Muhammad", used in internal notes of the Nation of Islam and by biographer Alex Haley