Promontory Point may refer to:

• Promontory Point (Newport Beach, California), a cape in Newport Beach, California
• Promontory Point (Tehama County, California), a summit in the Lassen National Forest in Tehama County, California

• Promontory Point (Chicago), a special use facility on Lake Michigan in the Chicago Park District in Chicago, Illinois

• Promontory Point (Nevada), a summit on a peninsula on Lake Mead in Clark County, Nevada, just north of the Hoover Dam

• Promontory Point (Utah), a cape in Box Elder County, Utah
• Promontory Point, Utah, a ghost town on the cape
• Promontory, Utah, an unincorporated community at Promontory Summit, aka Promontory Point, a mountain gap in northern Utah where the U.S. Transcontinental Railroad connected

• Promontory (disambiguation)
• Point (disambiguation)