Selve Marcone was a comune (municipality) in the Province of Biella in the Italian region Piedmont, located about northeast of Turin and about northwest of Biella. As of 31 December 2004, it had a population of 100 and an area of . From 1 January 2017 Selve Marcone was absorbed by the neighbouring municipality of Pettinengo.
As an autonomous commune Selve Marcone bordered the following municipalities: Andorno Micca, Callabiana, Pettinengo, Piedicavallo, Rassa, Tavigliano.