Flogging a dead horse (or "beating a dead horse" or "beating a dead dog") is a common English idiom.
Flogging a dead horse or beating a dead horse may also refer to:
Flogging a Dead Horse, 1980 compilation album of singles by the Sex Pistols Titled works beginning "Beating ..." Beating Dead Horses, studio album by the industrial metal band 16Volt Beating a Dead Horse to Death... Again, 2008 album by Dog Fashion Disco Beating a Dead Horse (album), a 2015 album by YouTuber Jarrod Alonge
See also Dead horse (disambiguation)