Vallecitos may refer to: Places Vallecitos, an unincorporated community in San Diego County, California Vallecitos de Zaragoza, a town in Guerrero, Mexico Other Vallecitos Nuclear Center a nuclear reactor in Alameda County, California Vallecitos, a ski resort in Argentina Vallecitos Water District, a public agency in San Diego County, California that provides water, wastewater and reclamation services