Caisson

Caisson (French for "box") may refer to:


 * Caisson (Asian architecture), a spider web ceiling
 * Caisson (engineering), a sealed underwater structure
 * Caisson (lock gate), a gate for a dock or lock, constructed as a floating caisson
 * Caisson (pen name), of Edward Sperling
 * Caisson (western architecture), a type of coffer
 * Caisson disease, or decompression sickness
 * Caisson lock, a type of canal lock
 * Deep foundation, also called a caisson foundation
 * Limbers and caissons, a two-wheeled cart for carrying ammunition, also used in certain state and military funerals