San Juan District may refer to:
Costa Rica San Juan District, Abangares, Guanacaste province San Juan District, La Unión, Cartago province San Juan District, Naranjo, Alajuela province San Juan District, Poás, Alajuela province San Juan District, San Ramón, Alajuela province San Juan District, Santa Bárbara, Heredia province San Juan District, Tibás, San José province San Juan de Dios District, Desamparados, San José province San Juan de Mata District, Turrubares, San José province San Juan Grande District, Esparza, Puntarenas province
Peru San Juan District, Cajamarca, in Cajamarca province, Cajamarca region San Juan District, Castrovirreyna, in Castrovirreyna province, Huancavelica region San Juan District, Lucanas, in Lucanas province, Ayacucho region San Juan District, Sihuas, in Sihuas province, Ancash region San Juan de Miraflores, in Lima province San Juan de Salinas District, in Azángaro province, Puno region
United States San Juan School District in San Juan County, Utah
See also San Juan County (disambiguation) San Juan (disambiguation)