Blackleg, blacklegs or black-legged may refer to:

Disease

  • Blackleg (disease), in sheep and cattle
  • Blackleg (Brassica) in rapeseed and other mustard-and-cabbage-family plants, caused by fungus Leptosphaeria maculans
  • Blackleg (potatoes), caused by Pectobacterium carotovorum
  • Blackleg (geraniums), caused by a form of the quasi-fungus Pythium
  • Scurvy, vitamin deficiency in primates and some other animals

Species

  • Black-leg, a common name for the polypore fungus Royoporus badius
  • Black-legged kittiwake, seagull species
  • Black-legged seriema, seriema bird species
  • Blackleg tortoiseshell, another name for the large tortoiseshell butterfly
  • Animals named as black-legged
  • Black-legged tick, Ixodes scapularis and Ixodes pacificus

Other uses

  • Blacklegs (horse), a racehorse
  • Opelousa people, historical Native American tribe of Louisiana
  • Blackleg labour (or strikebreaking)
  • Card sharp
  • Operation Blackleg, dive operation on warship HMS Coventry (D118)

See also

  • Blackley, Manchester, England
  • Blackledge (disambiguation)
  • Black Legion (disambiguation)