William Rees

• Billy Rees
• Norfolk (UK Parliament constituency)
• Toronto
• William E. Rees
• William Gilbert Rees
• William Hurst Rees
• William James Rees
• William Jenkins Rees
• William Lee Rees
• William Rees (Archdeacon of St Asaph)
• William Rees (Canadian physician)
• William Rees (Gwilym Hiraethog)
• William Rees (MP)
• William Rees (cinematographer)
• William Rees (priest and writer)
• William Rees (rugby)
• William Rees (veterinarian)
• William Rees-Davies (disambiguation)
• William Rees-Mogg
• William Reese (disambiguation)