Ray may refer to:

Fish

* Ray (fish), any cartilaginous fish of the superorder Batoidea *

Ray (fish fin anatomy) Fins are distinctive anatomical features composed of bony spines or rays protruding from the body of a fish. They are covered with skin and joined together either in a webbed fashion, as seen in most bony fish, or similar to a flipper, as s ...

, a bony or horny spine on a fin

Science and mathematics

Ray (geometry) In geometry, a line is an infinitely long object with no width, depth, or curvature. Thus, lines are one-dimensional objects, though they may exist in two, three, or higher dimension spaces. The word ''line'' may also refer to a line segme ...

, half of a line proceeding from an initial point * Ray (graph theory), an infinite sequence of vertices such that each vertex appears at most once in the sequence and each two consecutive vertices in the sequence are the two endpoints of an edge in the graph * Ray (optics), an idealized narrow beam of light * Ray (quantum theory), an equivalence class of state-vectors representing the same state

Arts and entertainment

Music

* The Rays, an American musical group active in the 1950s * Ray (musician), stage name of Japanese singer Reika Nakayama (born 1990) * Ray J, stage name of singer William Ray Norwood, Jr. (born 1981) *Ray (Bump of Chicken album), ''Ray'' (Bump of Chicken album) * Ray (Frazier Chorus album), ''Ray'' (Frazier Chorus album) * Ray (L'Arc-en-Ciel album), ''Ray'' (L'Arc-en-Ciel album) * Rays (Michael Nesmith album), ''Rays'' (Michael Nesmith album) (former Monkee) * Ray (soundtrack), ''Ray'' (soundtrack), a soundtrack of the film ''Ray'' * Ray (EP), ''Ray'' (EP), an album by Panic Channel * Ray (song), "Ray" (song), a song by Millencolin * Ray or re, the second scale degree in solfege

Fictional characters

* Ray Barone, main character in the American sitcom ''Everybody Loves Raymond'' * Ray Donovan, titular main character in the American TV drama series ''Ray Donovan'' * Father Ray Mukada, priest character in the American TV drama series ''Oz'' * Ray, a character in the television series ''Bear in the Big Blue House'' * Ray, a firefly in the 2009 animated Disney film ''The Princess and the Frog'' * Ray Stantz, a main character in the American film ''Ghostbusters'' * Ray, a protagonist in ''Ray the Animation'', a science fiction anime television series * Rusty Rivets#Characters, Ray, a main character in the Canadian television series ''Rusty Rivets'' * Ray the Flying Squirrel, a video game character from ''Sonic the Hedgehog'' * Ray (comics), a DC Comics character * Ray (Ray Terrill), the second version of the character * Mr. Ray, a spotted eagle ray in the ''Finding Nemo (franchise), Finding Nemo'' franchise

Other media

* Ray (art journal), ''Ray'' (art journal), a British little magazine * Ray (manga), ''Ray'' (manga), a manga and anime series about a doctor with X-ray vision * Ray (film), ''Ray'' (film), a 2004 film biography of African-American singer Ray Charles * Ray (series), ''Ray'' (TV series), a 2021 Netflix anthology series based on Satyajit Ray's stories * The Ray (Chardin), ''The Ray'' (Chardin), a 1728 painting by Jean Simeon Chardin

People

* Ray (surname) * Ray (given name) * Ray (wrestler), from Hong Kong

Places

Iran

* Ray, Iran, a city in the Greater Tehran metropolis ** Ray County, Iran, Ray County, Tehran Province * Ray, South Khorasan, a small village

Russia

* Ray (Smolensk region) * Ray, Belgorod Oblast

United Kingdom

* River Ray, South East England * River Ray, Wiltshire, South West England

United States

* Ray, Alabama * Ray, Arizona * Ray, Indiana and Michigan, Steuben and Branch counties * Ray Township, Michigan, Macomb County * Ray, Minnesota * Ray County, Missouri * Ray, North Dakota

Elsewhere

* Ray, a Cambodian village in Ke Chong * Mount Ray (British Columbia), a Canadian volcano * Ray, Templeport, County Cavan, Ireland * Ray, Jharkhand, India

Technology

* Rays Linux, a defunct Chinese operating system * Sony Ericsson Xperia ray, a 2011 smartphone

Transportation

Vehicles

* Kia Ray, a 2011–present South Korean city car * Kia Ray (2010 concept vehicle), a 2010 South Korean mid-size concept sedan * Mitsuoka Ray, a 1996–2004 Japanese city car * USS Ray, USS ''Ray'', a U.S. Navy vessel

Other uses in transportation

* Raynes Park railway station, London, England (by GBR station code) * Rays Engineering, a Japanese automotive wheel manufacturer

Other uses

* Rays (retailer), an Australian outdoors store * Resh#Arabic rāʾ, Rāʾ ("ر"), a letter of the Arabic alphabet * Raha-automaattiyhdistys (Finland's Slot Machine Association), a Finnish gambling provider * Tampa Bay Rays, a Major League Baseball team