Petrus may refer to:
- Petrus (given name)
- Petrus (surname)
- Château Pétrus, a Pomerol Bordeaux wine producer
- Petrus (genus), a genus of ray-finned fish
- Pétrus (restaurant), London
- Petrus killings, a series of executions in Indonesia between 1983 and 1985
|This disambiguation page lists articles associated with the title Petrus.
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