- Planet and Satellite
- Plank House
- Plankton
- Plant
- Plant Breeding
- Plant Classification
- Plant Disease
- Plant Gene Resources of Canada
- Planter
- Planters
- Traditional Plants and Indigenous Peoples in Canada
- Plastics-Processing Industry
- Plate Tectonics
- Plate Tectonics (Plain-Language Summary)
- Plateau Hall/Auditorium le Plateau
