- Post Oak
- Pearland
- Pearsall
- Pecan Acres
- Pecan Gap
- Pecan Grove
- Pecan Hill
- Pecan Plantation
- Pecos
- Penelope
- Penitas
- Pernitas Point
- Perryton
- Petronila
- Pettus
- Pflugerville
- Pharr
- Peniel
- Pezuna del Caballo
- Pleasant Valley
- Podo
- Pilot Point
- Pine Forest
- Pinewood Estates
- Piney Point Village
- Plano
- Pleak
- Plum Grove
- Point
- Point Comfort