Almaden may refer to:
Places United States Almaden Valley, San Jose, California Almaden Mine, an alternate name for New Almaden Quicksilver Mine IBM Almaden Research Center, San Jose Almaden Air Force Station, a former US Air Force station Almaden station, a light rail station in San Jose Old Almaden Winery, a park in Santa Clara County, California
Other places Almaden, Queensland, Australia Almadén, a town in Spain notable for its mercury mines
Other uses Almaden Vineyards, a wine producer owned by Constellation Brands