John Joseph "Count" O'Donovan (1889 - 28 April 1920) was an Irish Gaelic footballer who played as a midfielder for the Cork senior team. Born in Clonakilty, County Cork, O'Donovan first arrived on the inter-county scene at the age of twenty-two when he first linked up with the Cork senior team. He made his senior debut in the 1911 championship. O'Donovan went on to play a key part for Cork during a successful period, and won one All-Ireland medal. At club level O'Donovan was a one-time senior championship medallist with Lees. He also won one intermediate championship medal with Clonakilty.