Mathematics
* A symbol indicating a mathematical operation * Logical operator or logical connective in mathematical logic *Computers
* Computer operator, an occupation *Science
* Operator (biology), a segment of DNA regulating the activity of genes * Operator (linguistics), a special category including wh- interrogatives * Operator (physics), mathematical operators in quantum physicsMusic
* Operator (band), an American hard rock band * Operators, a synth pop band led by Dan Boeckner * ''Operator'' (album), a 2016 album by Mstrkrft * "Operator" (Motown song), a 1965 song recorded by Mary Wells and Brenda Holloway * "Operator" (That's Not the Way It Feels), a 1972 song by Jim Croce from ''You Don't Mess Around with Jim'' * "Operator" (Midnight Star song) (1984), a 1984 #1 R&B/electronic dance single * "Operator" (A Girl Like Me), a 2008 song by Shiloh * "Operator", a 1970 song by the Grateful Dead from '' American Beauty'' * "Operator", a 1975 song by the Manhattan Transfer from '' The Manhattan Transfer'' * "Operator", a 1986 song by Little Richard from '' Lifetime Friend'' * "Operator", a 1993 song by Blue System from '' Backstreet Dreams'' * "Operator", a 1995 song by Real McCoy from '' Another Night'' * "Operator", a 1998 song by Miss Papaya from Pink * "Operator" (Floy Joy song), a song by British group Floy JoyFiction
* '' Operator No. 5'', a pulp fiction hero from the 1930s * Operator, a fictional group in the '' Ghost in the Shell'' series * ''Operator'' (2015 film), a 2015 American action thriller drama film starring Luke Goss * ''Operator'' (2016 film), a 2016 American comedy-drama film starring Martin Starr and Mae Whitman * '' The Operator'' (film), a 2000 film * The Operator ('' Marble Hornets''), an entity that stalks the main characters in ''Marble Hornets''. It is also known as the Slender Man. * ''Operator'' (play), a 2005 play by David WilliamsonDuties
* Operator (profession), a professional designation used in various industries, e.g.: ** Switchboard operator, an occupation at a company offering telephone services ** Heavy equipment operator, operates heavy equipment used in engineering and construction projects * Operator (military), a soldier in a special operations force * Operator (law enforcement), a law enforcement officer who has been trained and certified as an operator to serve on a SWAT teamOther uses
* ''Operator'' (sternwheeler), a 1909 ship on the Skeena River * Network operator, a phone carrier * System operator, commonly abbreviated as ''sysop'' * Operator grammar, a theory of human languageSee also
* Operation (disambiguation) * Operator-precedence grammar, a grammar for formal languages * The Operators (disambiguation) * Oper (disambiguation) * Cooperator (disambiguation) * {{disambiguation