San Antonio | San Juan | Antonio Vivaldi | Juan Carlos I of Spain | Antonio Banderas | Don Juan | San Antonio Spurs | Santurce, San Juan, Puerto Rico | Juan Gabriel | Juan Perón | Juan Pablo Montoya | Gatpuno Antonio J. Villegas Cultural Awards | Antonio Villaraigosa | Antonio Margarito | Antonio López de Santa Anna | Port Antonio | Strait of Juan de Fuca | Juan Ramón Jiménez | Juan Luna | Antonio Canova | San Juan, Metro Manila | San Juan Islands | San Juan, Argentina | Antonio Inoki | Antonio Gramsci | San Juan del Sur | Juan Manuel Santos | Juan Gris | Juan | António de Oliveira Salazar |
The department is named in honor of Brigadier Juan Antonio Lavalleja, who had distinguished military and political action in the country's independence.
With the support of Juan Antonio Lavalleja and the members of the White Party, he crossed the Uruguay river in order to attack Rivera, but the latter defeated him at the Battle of Cagancha, on 29 December 1839, in San José Department, Uruguay near the Cagancha creek.