Replicator may refer to various things related to replication and self-replication:

• The theoretical basic unit of evolution in some schools of evolutionary theory
• Replicator (nanotechnology)
• Clanking replicator
• DNA replication
• Replicator (liquid handling), a device for transfer of liquids
• A NPO component that copy a webservice object data to a business objets data

In culture

• Replicator (Stargate), a fictional species in the Stargate Universe
• Replicator (Star Trek), a fictional technology in the Star Trek universe
• Replicator (band), a noise rock band from Oakland, California

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