Antar may refer to:
- Antarah ibn Shaddad, a 6th century celebrated pre-Islamic Arab warrior and poet.
- Antares, the star that marks the heart of the Scorpio constellation and which some have speculated to have been named after Antarah ibn Shaddad.
- Antar (Rimsky-Korsakov) is the title of a symphonic suite by Nikolai Rimsky-Korsakov, inspired by the story of Antarah ibn Shaddad.
- Egyptian composer Aziz El-Shawan's opera in Arabic Antar (1948), also based on the life of Antarah ibn Shaddad.
- Antar (company), former French petroleum company.
- Australians for Native Title and Reconciliation, which has the acronym ANTaR.
- Eddie Antar, owner of the Crazy Eddie chain of electronics stores.
- Faisal Antar is a Sierra Leonean born Lebanese footballer who plays for Lebanese club Al-Mabarrah.
- Roda Antar (brother of Faisal) is a Sierra Leonean born Lebanese footballer who plays for German club FC Köln.
- Antar is the name of a planet in the Star Wars universe .
- Antar is the name of the home planet of the aliens in the book series Roswell High and the television show, Roswell.
- Thornycroft Antar, a British prime mover used by the military and in oilfields, developed in the late 1940s, named after Antarah ibn Shaddad