Głęboczek [ɡwɛmˈbɔt͡ʂɛk] is a village and sołectwo in Gmina Murowana Goślina, Poznań County, Greater Poland Voivodeship, in western Poland. It is situated beside a small lake on the Trojanka stream, within the Puszcza Zielonka forest and landscape park. It has a population of about 90. In 1458 Głęboczek gained the status of a town, but by 1580 it was again being referred to merely as a village. At the northern end of the village is a pine tree, growing on a slope with its roots exposed, officially designated a natural monument. The remains of a former cemetery can be found close by.