Juan Antonio Lavalleja, Uruguayan general and politician, President of Uruguay (died 1853)

Juan Antonio Lavalleja y de la Torre was an Uruguayan libertador, revolutionary, military general, and political figure. He was born in Minas, in a region now named after him as the Lavalleja Department of Uruguay.

Uruguay is a presidential republic in which the president is both the head of state and head of government. The following is a list of all the people who have held the office of President of Uruguay since 6 November 1830, with the exception of those who held the office of "President" under the National Council of Government, which served as the country's executive directory from 1955 to 1967. The first president of this list is Fructuoso Rivera, who held the office twice and once as part of the Triumvirate that ruled the country from 1853 to 1854.