George Jeremiah Patrick O'Mullane (3 December 1842 – 20 December 1866) was an Australian cricketer and Australian rules footballer.
Born and raised in Melbourne, Victoria, O'Mullane was a standout cricketer from an early age, and came to be regarded as his colony's premier wicket-keeper.
During the winter months, he excelled as a footballer in the nascent Australian game, receiving praise for his courage and strength.
O'Mullane's promising career was cut short when he died of tuberculosis, aged 24.