Neptune is the eighth and outermost planet from the Sun in our Solar System. Neptune may also refer to:

Sailor Neptune, the codename of Michiru Kaioh, a character in the Sailor Moon franchise

Neptune (submarine), a fictional midget submarine in the James Bond film For Your Eyes Only

Neptune Township, New Jersey

P-2 Neptune, a naval patrol bomber and anti-submarine warfare aircraft

The Neptunes, a group of hip-hop producers

Neptune City, New Jersey

Neptune, California, a fictional coastal town near San Diego, California and the setting for the UPN television series Veronica Mars

WEKhilpurnil, a Hybrid Tea rose of lavender hues known as Neptune

Yvon Neptune, Prime Minister of Haiti from 2002 until 2004

A game written by Nasir Gebelli for the Apple II

Governor Neptune, 19th Century leader of the Penobscot

M/S Neptune, a cruiseferry formerly known as M/S Karelya and M/S Leonid Brezhnev

Neptune (band), a noise trio from Boston, with custom made instruments

Windows Neptune, an unreleased version of Microsoft Windows

Beriev Be-2500 Neptune, a super-heavy amphibian cargo aircraft currently in development

Neptune Theatre, a theatre in Liverpool

Neptune (Northern Pikes album), an album by The Northern Pikes

HMS Neptune, nine ships of the British Royal Navy

Neptune (Italian band), a Melodic death metal band from Verona, Italy

French ship Neptune

NEPTUNE (North-East Pacific Time-series Undersea Networked Experiments) underwater observatory

Sun Neptune, a Sun 10 Gbps network interface card

Neptune (ship), convict ship in Second Fleet, to New South Wales

Neptune Theatre (Halifax), a theatre in Halifax, Nova Scotia

Neptune Range, a mountain range

C.S. Neptune, a Confederate Army tugboat

Neptune (Marvel Comics), a Marvel Comics character

Neptune Distribution, a comic distribution company from Leicester

Operation Neptune (disambiguation)

Neptun is: Neptun, a resort town on the southeast Black Sea coast of Romania. Neptun, an educational administration system used by universities and colleges in Hungary. SK Neptun, a Swedish swim team. See also Neptune, a planet in the solar...

Neptune Records, a record label

Neptune (mythology), the god in Roman mythology (analogous to the god Poseidon in Greek mythology), after whom the planet is named.