Jenő Károly (15 January 1886 – 28 July 1926) was a Hungarian footballer and later manager born in Budapest.

Outside his homeland he is particularly noted for being the first manager of Agnelli-era Juventus.

As a player, Károly appeared for two local Budapest clubs, including the powerful MTK Budapest.

He was renowned for having a very high goals-to-game ratio.

He also represented his country a number of times, including at the 1912 Summer Olympics.