The Ängesån is a forest river in Sweden and is the largest tributary of the Kalixälven River.

[1] The river flows into Vettasjärvi and is about 20 kilometres long.

Between Vettasjärvi and the confluence with the Valtiojoki, it is called Vettasjoki.

[2] The largest tributaries are the Linaälven, which merges at Linafallet[3] and the Bönälven, which reaches Ängesån through Tvärån.

[2] The river is unaffected by hydropower development.