Johannes "Hans" Manthey (born 8 March 1914, date of death unknown) was a German football player turned manager.
He then left the Rhine area and joined SV Dessau 05, competing in the Gauliga Mitte, one of then 16 top flight leagues.
With Manthey at the helm, Dessau finished third in their first season and also won the inaugural FDGB-Pokal, beating Gera Süd 1–0.
In his playing career, Manthey won several caps for the selections of the Gauliga Mitte, of Saxony-Anhalt (4) and of the Soviet occupation zone (2).
[1] The club was soon renamed to BSG Motor Mitte Magdeburg, but Manthey was unable to win promotion to the Oberliga with the side.