PATCO

PATCO may refer to:


 * Professional Air Traffic Controllers Organization (1968), the defunct American labor union of air traffic controllers; famous for its failed 1981 strike
 * Professional Air Traffic Controllers Organization (2003), an independent labor union in the United States
 * Professional Air Traffic Controllers Organization (AFSCME), an affiliate of the American Federation of State, County and Municipal Employees (AFSCME)
 * PATCO Speedline, a rapid transit system running between Philadelphia, Pennsylvania and Camden County, New Jersey