Petra (disambiguation)
Places
- Petra, an archeological site in Jordan
- Petra, Cyprus
- Petra Tou Romiou, a landmark in Cyprus
- Petra, Spain, a town on the island of Majorca
- Petra, Lesbos
- Petra, Pieria
People
- Petra (given name), a female given name, a feminine form of Peter
Music
- Petra (band), a Christian rock band
- Petra (album), the debut album of the band mentioned above
- Petra (song), a song written and performed by Roger Fisher
Fictional characters
- Petra (comics), a Marvel Comics character
- Petra Strorm, in John Wyndham's novel The Chrysalids
- Petra, in Broken Sword: The Sleeping Dragon
- Petra Arkanian, a fictional character in a book series by Orson Scott Card
- Petra Andalee, the protagonist that appears in Blue Balliett's Chasing Vermeer and The Wright 3
- Queen Petra of Siphnos, a queen from Goddess of Yesterday
Animals
- Petra (dog), a dog on the children's program Blue Peter
Other
- Petra (agency), the Jordanian news agency
- PETRA, the Positron-Electron Tandem Ring Accelerator, is a particle accelerator famed for confirming gluons in 1979
- SS Petra, a West German merchant ship
Petria
Petria can refer to:
- Petria (brachiopod), a brachiopod genus
- Petria Thomas, Australian swimmer