| Porttipahta Reservoir | |
| Pushpin Map: | Finland |
| Coords: | 68.05°N 67°W |
| Type: | Reservoir |
| Outflow: | Kitinen |
| Catchment: | Kemijoki |
| Basin Countries: | Finland |
| Date-Built: | 1970 |
| Area: | 148.598km2 |
| Depth: | 4.44m (14.57feet) |
| Max-Depth: | 30m (100feet) |
| Volume: | 0.66km3 |
| Shore: | 335.59km (208.53miles) |
| Elevation: | 242.3m (794.9feet) |
| Frozen: | November–May |
| Cities: | Sodankylä |
Porttipahta Reservoir (Finnish: Porttipahdan tekojärvi) is a large lake in the Kemijoki main catchment area. It is located in the region of Lapland in Finland.[1]