Eureka, Alaska

The place name Eureka in the U.S. state of Alaska may refer to:


 * Eureka Roadhouse, Alaska, a census-designated place (CDP) in the Matanuska-Susitna Borough
 * An historic name for Kantishna, Alaska, an unincorporated community in the Denali Borough
 * A small rural community within the CDP boundaries of Manley Hot Springs, Alaska, in the Yukon–Koyukuk Census Area