Soldotna is a city in the Kenai Peninsula Borough, in the U.S. State of Alaska. At the 2010 census the population was 4,163. It is the seat of the Kenai Peninsula Borough.

Soldotna is located in the Southcentral portion of Alaska on the central-western portion of the Kenai Peninsula. The city limits span 7 square miles along the Kenai River, which empties into the Cook Inlet in the nearby city of Kenai. The Kenai River was selected by CNN Travel as one of the "World's 15 Best Rivers for Travelers," due to its fishing and hunting opportunities. Soldotna is located on the western edge of the vast Kenai National Wildlife Refuge, a protected area spanning nearly 2 million acres and home to bears, moose, caribou, sheep, and many fish and bird species.