Penalty flag, a yellow cloth used by game officials in American football, lacrosse, and several other field sports to identify and sometimes mark the location of penalties that occur during regular play.
Penalty kick | penalty kick | Penalty card | Chris Marker | marker | Little Miss Marker | Marker | Marker (TV series) | Fine (penalty) | Cardiac marker | Boundary marker | Vic Marker | Taimah's grave marker, near, Kingston, Iowa | Steve Marker | Sign on Stetson Kennedy's residence erected consequent to the 2003 designation of Beluthahatchee as a Literary Landmark, No. 83 in the National Register. (An additional marker, in Kennedy's name, was also approved, to be erected following his demise.) | Raised pavement marker | penalty kick (football) | Penalty flag | penalty flag | penalty card | penalty box | Molecular marker | Max & the Magic Marker | Marker (linguistics) | Marker (alpine bindings) | Historical marker of Helena's second location, in Tower Hill State Park | Historical marker | Genetic marker | Foxhunter's grave marker around which Llewellyn's ashes were scattered | Death penalty signed by People's Socialist Republic of Albania |