Blackneck (disambiguation)

Blackneck may refer to:

• Lygephila pastinum, also known commonly as the blackneck, a species of moth
• Blackneck garter snake (Thamnophis cyrtopsis), a species of snake
• Black-necked swan (Cygnus melanocoryphus), a species of bird
• Dark-shouldered snake eel (Ophichthus cephalozona), also known commonly as the black-neck snake eel