Isidoro Francisco Guimarães

Isidoro Francisco Guimarães, 1st viscount of Praia Grande de Macau (19 April 1808–17 January 1883) was a Portuguese colonial administrator who served as the Governor of Macau from 1851 to 1863. During his term, the gambling business in Macau was legalized in an attempt to generate revenues for the government.