Kīhei is a census-designated place (CDP) in Maui County, Hawaiʻi, United States. The population was 16,749 at the 2000 census.
Kīhei is located at 20°45′33″N 156°27′26″W / 20.75917°N 156.45722°W / 20.75917; -156.45722 (20.759122, −156.457228).
According to the United States Census Bureau, the CDP has a total area of 11.9 square miles (30.8 km2), of which, 10.2 square miles (26.3 km2) of it is land and 1.7 square miles (4.5 km2) of it (14.55%) is water. It is considered to be the South Side of Maui, located on the leeward side of Haleakala. The climate is arid, receiving no more than 10 inches of rain per year.