Long Valley

Long Valley may refer to:


 * Long Valley (Antarctica)
 * Long Valley Caldera in California
 * Long Valley, California, former name of Greenwood, El Dorado County, California
 * Long Valley, Hong Kong
 * Long Valley, New Jersey
 * Long Valley, South Dakota
 * Long Valley, Hampshire, England
 * Long Valley (Lake County, California)
 * Long Valley (Nevada)
 * Long Valley (Kane County, Utah), stretching along US-89 from Long Valley Junction (SR-14) south to Mt. Carmel Junction (SR-9)