Hanamāʻulu (literally, "tired bay" in Hawaiian) is a census-designated place (CDP) in Kauaʻi County, Hawaiʻi, United States.

It is the ancient birthplace of Kawelo, a member of Kauai's ruling family.

[4] It is bordered to the south by Lihue, with Hanamaulu Stream forming the boundary between the two communities.

[3] The water area is primarily the north side of Hanamaulu Bay.

13.5% of all households were made up of individuals, and 5.1% had someone living alone who was 65 years of age or older.