• Loggerhead Sea Turtle, the most common sea turtle to nest in the United States
• Loggerhead Shrike, a passerine bird, the only member of the shrike family endemic to North America
• USS Loggerhead (SS-374), a Balao-class submarine, named for the sea turtle, laid down and launched in 1944
• Loggerhead Key, a small island in the Dry Tortugas.
• Loggerheads (TV series), a popular 1997 German-made cartoon about vikings, broadcasted in different countries.

Loggerheads may refer to:

• Locations in the United Kingdom:
• Loggerheads, Staffordshire, a small village in north Staffordshire, England
• Loggerheads and Whitmore ward, a ward in the Borough of Newcastle-under-Lyme
• Loggerheads, Denbighshire, a village in Denbighshire, Wales
• Loggerheads (film), a 2005 film written and directed by Tim Kirkman
• The heraldic leopards' faces on the coat of arms of Shropshire and its county town, Shrewsbury, England