Ammonites are either an extinct group of marine animals, or a former ancient people from the area of today's Jordan:

Ammonites or Ammonoidea, a subclass Ammonitida, an order Ammonitina, a suborder and Ammonites (people), a nation of the ancient Levant, mentioned in the Bible Ammonite language, language of the Ammonites

Ammonite may also refer to:

Art and entertainment Ammonite (film), a 2020 film Ammonite order, an architectural order featuring ammonite-shaped capitals Ammonite (novel), a 1992 novel by Nicola Griffith Ammonite (album), an album by the Japanese rock group Plastic Tree

Other uses Ammonite (explosive), a form of amatol Anti-Nephi-Lehies, also known as Ammonites, a fictitious people from the Book of Mormon 2023 KQ14, nicknamed Ammonite, a trans-Neptunian object in the Solar System

See also

Amniote, a group of vertebrate organisms Amun (also Ammon), the ancient Egyptian god after whom the animals are named Ammon (disambiguation)