Counties and Parishes
This is not an exhaustive list.
- Alameda County, California (Boulevard with Poplars)
- Alamosa County, Colorado ("Shaded with Poplars or Cottonwoods")
- Amador County, California (named for Jose Maria Amador, amador is the Spanish word for "lover")
- Angelina County, Texas (Spanish given name)
- Archuleta County, Colorado (Spanish surname)
- Atascosa County, Texas (Boggy)
- Bandera County, Texas (Flag)
- Bexar County, Texas
- Bosque County, Texas (Forest)
- Brazos County, Texas (Arms)
- Calaveras County, California (named after the Calaveras River; Spanish word for "skulls")
- Colusa County, California (from two Mexican land grants; Coluses (1844) and Colus (1845))
- Conejos County, Colorado (named after the Conejos River meaning "rabbits")
- Contra Costa County, California ("opposite coast" in Spanish; in reference to its location in the San Francisco Bay Area)
- Costilla County, Colorado (named after the Costilla River, meaning "little coast")
- De Soto County, Florida (named after the Spanish explorer Hernando de Soto)
- De Soto County, Mississippi (named after the Spanish explorer Hernando de Soto)
- De Soto Parish, Louisiana (named after the Spanish explorer Hernando de Soto)
- Del Norte County, California ("northern" in Spanish, also the northernmost county in California)
- Dolores County, Colorado (derived from "Nuestra Señora de los Dolores", Spanish name for Our Lady of Sorrows)
- El Dorado County, California (From the mythical El Dorado, The Gilded One, significant to El Dorado County's importance in the California Gold Rush)
- Escambia County, Florida (named for the Escambia River, whose name comes from a Spanish word for "barter" or "exchange")
- Esmeralda County, Nevada (Emerald)
- Fresno County, California (From Fresno Creek. In Spanish, fresno means, "ash tree")
- Hernando County, Florida (named after Spanish explorer Hernando de Soto)
- La Paz County, Arizona ("The Peace")
- La Plata County, Colorado ("The Silver Country")
- Las Animas County, Colorado (named after the Animas River, derived from Río de las Ánimas Perdidas, which means, "River of the Lost Souls")
- Leon County, Florida (named for Spanish explorer Juan Ponce de León, it is his surname which means lion)
- Los Angeles County, California (Spanish for, "the Angels"; because one of the 28 "misiones" founded by Fray Junipero Serra, Nuestra Señora de los Angeles)
- Madera County, California ("Wood" or "Timber")
- Maricopa County, Arizona
- Mariposa County, California ("butterfly")
- Mendocino County, California (from Cape Mendocino, named probably for either Antonio de Mendoza or Lorenzo Suárez de Mendoza; viceroys of New Spain)
- Merced County, California (from the Merced River, a shortened version of the original name El Río de Nuestra Señora de la Merced (River of Our Lady of Mercy); named in 1806 by an expedition headed by Gabriel Moraga)
- Monterey County, California (from Monterey Bay -- the name itself is composed of the Spanish words: Monte, "Hill" and Rey, "King", historically because the viceroy of New Spain (Mexico) that supports the expedition of California, was from Monterey, Galicia, Spain)
- Natrona County, Wyoming ("natron")
- Nevada County, California ("snowfall")
- Nueces County, Texas (named after Nueces River, derived from the pecan nuts, meaning "nuts")
- Palo Pinto County, Texas
- Pinellas County, Florida (named after "La Punta de Piñal de Jimenez", which means "Jimenez's Point of Pines", after the entrance to Tampa Bay by Spanish explorers in 1757)
- Plumas County, California (For the Feather River, "Plumas" is the Spanish word for feathers.)
- Presidio County, Texas
- Rio Arriba County, New Mexico ("upstream", referring to the stream of a river)
- Refugio County, Texas ("shelter")
- Sacramento County, California (From the Sacramento River, itself named for the Santisimo Sacramento (Spanish for Most Holy Sacrament) a reference to the Eucharist)
- San Benito County, California (in honor of San Benedicto (Saint Benedict), Benito is the diminutive of Benedicto.)
- San Bernardino County, California (Saint Bernardino of Siena.)
- San Diego County, California (from the city of San Diego, itself named after Saint Didacus of Alcalá, or San Diego de Alcalá in Spanish.)
- San Francisco County, California (from the city of San Francisco, itself named after Francis of Assisi (1181–1226), a Roman Catholic saint and founder of the Order of Friars Minor (Franciscans))
- San Jacinto County, Texas ("Saint Hyacinth")
- San Joaquin County, California (Spanish for Saint Joachim)
- San Juan County, Utah (named after the San Juan River, meaning "St. John")
- San Luis Obispo County, California (Spanish for St. Louis, the Bishop)
- San Mateo County, California (Spanish for Saint Matthew)
- San Miguel County, Colorado (From San Miguel River in Colorado)
- San Miguel, San Luis Obispo County, California
- San Patricio County, Texas ("Saint Patrick")
- Santa Barbara County, California (Spanish for Saint Barbara.)
- Santa Clara County, California (Spanish for Saint Clare, for the Santa Clara Valley and the Mission town of Santa Clara.)
- Santa Cruz County, California (Spanish for "Holy/Sacred Cross")
- Santa Rosa County, Florida (named after Santa Rosa Island, which means "Saint Rose")
- Sierra County, California ("Mountain range" in Spanish.)
- Valencia County, New Mexico (Spanish city of Valencia)
- Ventura County, California (Abbreviation of San Buenaventura, Spanish for St. Bonaventure)
- Victoria County, Texas (Spanish family name, meaning "victory")
- Zapata County, Texas (Spanish family name)
Read more about this topic: List Of U.S. Place Names Of Spanish Origin