Pool

Pool may refer to:

Water pool

Swimming pool, a usually artificial container of water intended for swimming
Reflecting pool, a shallow pool designed to reflect a structure and its surroundings
Tide pool, a rocky pool on an ocean shore that remains filled with seawater when the tide goes out
Plunge pool, a small, deep body of water
Stream pool, a quiet slow-moving portion of a stream
Spent fuel pool, a storage facility for used fuel rods from a nuclear reactor.

Pool (cue sports), a group of games played on a pool table
Pool (poker) or pot, money wagered during a single hand of poker
Pool betting or parimutuel betting, a betting system in which all bets of a particular type are placed together
- Betting pool, a form of pool betting where gamblers pay a fixed price into a pool
  - Football pool, an association football (soccer) betting pool
Pool play or group stages, the round robin stage of many sporting championships
Singapore Pools, Singapore's sole legal lottery

Pool (computer science), a set of initialised resources that are kept ready to use
Connection pool, a cache of database connections maintained by the database
Memory pool, a dynamic memory allocation method
- Memory Pool System, a memory management system by Harlequin
Object pool pattern, a pattern to construct sets of initialised programming objects that are kept ready to use
Thread pool pattern, a programming method where a number of threads are created to perform a number of tasks