Gravity Probe may refer to:

• Gravity Probe A
• Gravity Probe B

• Battle of persian gate
• Battle of Perugia
• Battle of Pervomaiskoye
• Battle of Pesaro
• Battle of Peterloo
• Battle of Petersburg I
• Battle of Petersburg II
• Battle of Peterwardein
• Battle of Petra
• Battle of Petrovaradin
• Battle of Pfaffenhofen
• Battle of Pharsalia
• Battle of Pharsulus
• Battle of Phase Line Bullet
• Battle of philippi
• Battle of Philippi Races
• Battle of phillipi
• Battle of Philomelion
• Battle of Phoenix Peak
• Battle of Phyle
• Battle of Phyle (403 BC)
• Battle of Phước Long
• Battle of Pi
• Battle of Piave River (1809)
• Battle of Picacho Peak