Proto

Proto or PROTO may refer to:

Language

 * Proto-, an English prefix meaning "first"

Media

 * Proto (magazine), an American science magazine
 * Radio Proto in Cyprus

Music

 * Proto (Holly Herndon album), 2019
 * Proto (Leo O'Kelly album), 2002
 * Proto (band), a progressive rock band from Memphis, Tennessee

Organizations

 * Proto (tools), a tool company (formerly Plomb Tools), now a division of Stanley Black & Decker
 * Proto Motors, a South Korean sports car manufacturer and refitter
 * Proto Records, a British record company active in the 1980s; see Barry Evangeli
 * Proto (paintball), a paintball equipment manufacturing company

People

 * Non-fictional
 * Frank Proto, American composer and bassist
 * Ludovic Proto (born 1965), French boxer
 * Neil Thomas Proto (born 1945), American lawyer, teacher, lecturer, and author
 * Silvio Proto, Belgian goalkeeper
 * Proto (see Protus and Hyacinth), Christian martyr during the persecution of Valerian I
 * Fictional
 * Proto, one of the Nereids in Greek mythology
 * Proto (Ghost in the Shell), a fictional character in Masamune Shirow's Ghost in the Shell anime and manga
 * Proto, a more advanced prototype of the Prophetbot from the video game OneShot

Science and technology

 * Proto-, the prefix, as used in taxonomy.
 * Siebe Gorman Proto, a type of rebreather breathing set
 * SEAT Proto, concept cars
 * PROTO (fusion reactor)