Mediator may refer to:

• A neutral party who assists in negotiations and conflict resolution, the process being known as mediation
• By analogy, someone who channels contact between mortals and divinity; e.g. in the Christian faith, Jesus Christ is sometimes referred to as the mediator between humanity and God the Father
• Mediator variable in statistics;
• The Mediator pattern in computer science;
• The multiprotein Mediator (coactivator) in Molecular Biology functions as a transcriptional coactivator;
• Mediator (software), an advanced multimedia authoring tool for Windows;

See also mediation.

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