Queen Elizabeth The Queen Mother Centenary Trophy
- Place: Windsor Great Park
- Club: Guards Polo Club
- Date Start: mayo 5, 2018
- Date Finish: mayo 20, 2018
- Level: 15hcp
- Tournament Type: Open
- WPT Category Ranking: WPT Challenge Cup
- Winner Points: 10
- Finalist Points: 5
- Semis Points: 1