Del Rosa is a neighborhood community in the city of San Bernardino, California. 
Del Rosa is derived from a Spanish phrase meaning "of the rose".
Del Rosa is located 2 miles (3.2 km) east of downtown San Bernardino in San Bernardino County, California. The coordinates are 34.853N, -117.13W, and the elevation is 1,321 feet, and it is in the Pacific Time Zone (UTC-8, UTC-7 in the summer).
Del Rosa has a Continental Mediterranean climate, found only in the San Bernardino Foothills, which are rare in the United States. It experiences chilly winters and hot summers.