Tielemans (pronounced [ˈtiləmɑns]) is a Dutch patronymic surname. Tieleman is a primarily archaic Dutch given name that could be of West Frisian origin or a nickname of Theodorus. It had many spellings (e.g. Thielman, Tielman, Tilman, Tylman) and variations on the patronym include Thieleman, Thielemans, Tieleman, Thielemann, Thielman, Tielman, Tilleman and Tillemans. People with these surnames include: