Rancho San Miguel is a neighborhood in Walnut Creek, California.
Rancho San Miguel may also refer to these Mexican land grants in California: Rancho San Miguel (Noé), 1845, in San Francisco County Rancho San Miguel (Olivas), 1841, in Ventura County Rancho San Miguel (West), 1840, in Sonoma County Rancho Arroyo de Las Nueces y Bolbones or San Miguel, 1834, in Contra Costa County