- Princess Louise
- Princess Louise Margaret, Duchess of Connaught
- Princess Margaret
- Princess Margriet of the Netherlands
- Princess Mary, Countess of Harewood (HRH The Princess Royal)
- Princess of Wales Theatre
- Princess Patricia of Connaught
- Princess Patricia’s Canadian Light Infantry (PPCLI)
- Princess Patricia's Canadian Light Infantry Band
- Sheila Na Geira
- Princeton
- Principal Reservoirs in Canada
- Print Industry
- Printmaking
- Priscila Uppal