Årstaviken is a bay in the Eastern parts of Lake Mälaren in Sweden. It is bordered by the Södermalm, Liljeholmen and Årsta neighborhoods of Stockholm.

Årstaviken and the Årsta bridge in the 1930s.

59°18′21″N 18°03′00″E / 59.30583°N 18.05000°E / 59.30583; 18.05000