Tassajara

Tassajara may refer to:
 * Tassajara, California, in Contra Costa County
 * Tassajara Formation
 * Tassajara Hot Springs
 * Tassajara Hot Springs, California
 * Tassajara Zen Mountain Center
 * Tassajara - mountain bike design by Gary Fisher
 * Tassajara Cellars - winery in Paso Robles, California
 * Tassajara Creek (Arroyo Seco River) - tributary of the Arroyo Seco River (Monterey County), in the Ventana Wilderness
 * Tassajara Creek - creek in the Morgan Territory Regional Preserve in Alameda County, California
 * Tassajara Mountain or Mount Tassajara - peak in the Santa Lucia Mountains
 * Tassajara- famous vegetarian restaurant