| Valleyfield | |
| Official Name: | Municipality of Valleyfield |
| Settlement Type: | Community |
| Pushpin Map: | PEI |
| Pushpin Label Position: | none |
| Pushpin Map Caption: | Valleyfield in Prince Edward Island |
| Pushpin Mapsize: | 220 |
| Coordinates: | 46.129°N -62.733°W |
| Subdivision Type: | Country |
| Subdivision Name: | Canada |
| Subdivision Type1: | Province |
| Subdivision Name1: | Prince Edward Island |
| Subdivision Type2: | County |
| Subdivision Name2: | Kings County |
| Subdivision Type3: | Parish |
| Subdivision Type4: | Lot |
| Leader Title: | Chairperson |
| Leader Title1: | Councillors |
| Leader Title2: | CAO |
| Established Title: | Incorporated[1] |
| Established Date: | 1974 |
| Population As Of: | 2011 |
| Population Total: | 672 |
| Timezone: | AST |
| Timezone Dst: | ADT |
| Postal Code Type: | Canadian postal code |
| Blank Name: | Telephone Exchange |
| Blank1 Name: | NTS Map |
| Blank2 Name: | GNBC Code |
Valleyfield was a municipality that held community status in Prince Edward Island, Canada.[2] It was incorporated in 1974.[1] On September 28, 2018, it was merged with six other municipalities to create the town of Three Rivers.[3]