Collsuspina is a municipality in the comarca of Moianès in Catalonia, Spain. It is located in the central part of the region, within the province of Barcelona.
Until May 2015, Collsuspina formed part of the neighbouring comarca of Osona. In that month it was transferred to the newly created comarca of Moianès, which was established from municipalities previously belonging to Osona, Bages and Vallès Oriental.