Cincinnetina is an extinct genus of brachiopods which existed in what is now the United States during the Late Ordovician. It was described by in 2012, as a new genus for the Orthis species O. multisecta (Meek, 1873) and O. meeki (Miller, 1875), each of which have been replaced a number of times under other genera, e.g. , , and by other authors. A third species, C. minnesotensis, was described from Minnesota, from which its species epithet was derived.