San Mateo District

San Mateo District may refer to:


 * San Mateo District, Huarochirí, in Huarochirí province, Lima region, Peru
 * San Mateo District, San Mateo, in San Mateo (canton), Alajuela province, Costa Rica
 * San Mateo de Otao District, in Huarochirí province, Lima region, Peru