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)
See also
Protos (disambiguation)
