Megatron is a character in the Transformers franchise. It may refer to:

• Megatron (Transformers), the leader of the Decepticons in The Transformers
• Megatron (Beast Era), the leader of the Predacons in Beast Wars and the leader of the Vehicons in Beast Machines
• Megatron (Unicron Trilogy), the leader of the Decepticons in Transformers: Armada, Energon, and Cybertron
• Megatron (other incarnations), any of several other leaders of the Decepticons and/or Predacons in various Transformers continuities

This article includes a list of related items that share the same name (or similar names).