Arvidsjaur (Swedish: [ˈǎrːvɪdsjaʊr]; Ume Sami: Árviesjávrrie; Pite Sami: Árvehávvre) is a locality and the seat of Arvidsjaur Municipality in Norrbotten County, province of Lapland, Sweden with 4,635 inhabitants in 2010.
Arvidsjaur is a center for the European car industry. During the winter months, major car-manufacturers perform arctic trials in the Arvidsjaur Municipality. The town also fosters tourism by offering snowmobile tours, trekking, skiing, fishing and dogsled rides.