Arnstein Finstad (born 21 March 1978) is a Norwegian cross-country skier.

He made his World Cup debut in March 2002 in Oslo, and collected his first World Cup points with a 27th place in Stockholm in February 2004.

One week later he finished 19th in Drammen.

[2] All results are sourced from the International Ski Federation (FIS).

This biographical article relating to Norwegian cross-country skiing is a stub.