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

• Long Wall, an American aerospace company whose name is inspired by the Greek structures

See also

• Longwall mining, an underground mining technique

• Grand Wall

• Great Wall (disambiguation)