Kailua may refer to:
Places in Hawaii
- Kailua, Honolulu County, Hawaii, a census-designated place on Hawaii's island of Oahu
- Kailua High School, in Honolulu county
- Kailua-Kona, Hawaii, a census-designated place on Hawaii's island of Hawaii
- Kailua-Kona Airport, in Hawaii county
Other uses
- USS Kailua (IX-71), formerly CS Dickenson, a civilian cable-laying ship that became an auxiliary ship of the United States Navy in the Second World War