Mały Trąbinek [ˈmawɨ trɔmˈbinɛk] is a settlement in the administrative district of Gmina Dolsk, within Śrem County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 3 kilometres (2 mi) north-east of Dolsk, 11 km (7 mi) south-east of Śrem, and 47 km (29 mi) south of the regional capital Poznań.