Aranca may refer to:

• Aranca River, in the Banat region of Romania and Serbia
• Two 19th century Pima Villages:
  • Arenal, Arizona (Aranca No. 1)
  • Aranca No. 2

• David Pomroy
• David Pook
• David Poole
• David Poole (dancer)
• David Poole (footballer)
• David Poole (judge)
• David Pope (basketball)
• David Poritzky
• David Porter
• David Porter (British politician)
• David Porter (Canadian politician)
• David Porter (figure skater)
• David Porter Heap
• David Porter McCorkle
• David Porter (musician)
• David Porter (Ontario MPP)
• David Portner
• David Potts
• David Potts Jr.
• David Potts (singer)
• David Pountney
• David Povall
• David Powell (actor)
• David Powers
• David Power (tennis)