The governor of Macau was a Portuguese colonial official who headed the colony of Macau, before 1623 called captain-major. The post was replaced on 20 December 1999 upon the transfer of sovereignty over Macau to China by the office of the chief executive of Macau.

The handover of Macau from the Portuguese Republic to the People's Republic of China was at midnight on 20 December 1999. This event ended 442 years of Portuguese rule in the former settlement, which began in 1557.