WPH

WPH may refer to:
 * Wiltshire Police Helicopter, superseded by Wiltshire Air Ambulance
 * Wat Phnom Airlines, with ICAO code WPH
 * Western Pennsylvania Hospital, Pennsylvania, United States
 * Women's Pioneer Housing, British housing association
 * Whey Protein Hydrolysates, whey proteins predigested and partially hydrolyzed for easier metabolizing