| Walk-in Clinics | Health PEI |
| Waste Carrier, Generator and Receiver Registration | Environment, Labour and Justice |
| Water Testing for Homeowners | Environment, Labour and Justice |
| Water Testing for Tourism Operators | Environment, Labour and Justice |
| Water Well Permit | Environment, Labour and Justice |
| Water and Wastewater Facility Classification | Environment, Labour and Justice |
| Water and Wastewater Operator Certification | Environment, Labour and Justice |
| Water, Sewer and Electric Rates | |
| Watercourse, Wetland and Buffer Zone Activity Permit | Environment, Labour and Justice |
| Watershed Management Fund | Environment, Labour and Justice |
| Weather Information | Agriculture and Forestry |
| Wedgewood Manor | Health PEI |
| Welcome Program | Health PEI |
| Well Driller Contractor License | Environment, Labour and Justice |
| Western Hospital | Health PEI |
| Where to get Vaccinated | Health and Wellness |
| Wildlife Conservation Fund | Agriculture and Forestry |
| Wind Energy | Finance, Energy and Municipal Affairs |
| Winter Production Financing Program | Finance PEI |
| Women's Institute of Prince Edward Island | Agriculture and Forestry |
| Work Experience PEI | Innovation and Advanced Learning |
| Worker Advisor Program | Environment, Labour and Justice |
| Workforce Development Fund | Innovation and Advanced Learning |
| Workplace Learning | Innovation and Advanced Learning |
| Workplace Safety Program | Community Services and Seniors |