Peter Davion may refer to:
- Peter Davion, 2782 – 2873, Prime Marshal (essentially, the Prince's Champion) of the Armed Forces of the Federated Suns.
- Peter Davion, First Prince of the Federated Suns until his death in 2961.
- Peter Steiner-Davion, younger brother to both Victor Steiner-Davion and Katherine Steiner-Davion.
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