Long walls were ancient Greek defensive structures between cities and ports, especially the Long Walls linking Athens to Piraeus and Phalerum.

The Long Wall may also refer to:

• Anastasian Wall
• Long Wall on the Thracian Chersonese
• Long Wall of China, more commonly known as the Great Wall
• Long Wall of Korea, either of two great walls between Korea and China
• Long Wall of Vietnam, between northern and southern Vietnam

See also

• Longwall mining, an underground mining technique
• Grand Wall
• Great Wall (disambiguation)