Maunawili is a residential census-designated place (CDP) in the City & County of Honolulu, Koʻolaupoko District, Island of Oʻahu, Hawaii, United States. As of the 2020 census, the CDP had a population of 2,026. Situated mauka of Kalanianaʻole Highway between Castle Junction and Castle Hospital, Maunawili is nearly all private homes, schools, and a few churches; horse stables complete the rural setting. There are no commercial establishments. However, residents are only minutes from Kailua.

Hawaii Route 61, often called the Pali Highway, is in Honolulu County, Hawaii, United States, that is the main highway connecting downtown Honolulu with the windward side of Oʻahu island. From downtown, it traverses up Nuʻuanu Valley and the residential neighborhood of Nuʻuanu, passes through the Nuʻuanu Pali Tunnels, and descends to the major windward communities of Kāneʻohe and Kailua.