NFL lockout

NFL lockout may refer to any of the lockouts or strikes in the history of the National Football League:
 * 1968 NFL strike/lockout, 12-day strike and lockout before the 1968 NFL season
 * 1970 NFL strike, two-day strike prior to the 1970 NFL season
 * 1974 NFL strike, two-month strike before the 1974 NFL season
 * 1982 NFL strike, eight-week strike during the 1982 NFL season
 * 1987 NFL strike, one-month strike during the 1987 NFL season
 * 2001 NFL referee lockout, two-week lockout of the NFL referees in 2001
 * 2011 NFL lockout, five-month lockout prior to the 2011 NFL season
 * 2012 NFL referee lockout, four-month lockout of the NFL referees before and during the 2012 NFL season