Pā'ia is a census-designated place (CDP) in Maui County, Hawaii, United States, on the northern coast of the island of Maui. The population was 2,470 at the 2020 census. Pā'ia is home to several restaurants, art galleries, surf shops and other tourist-oriented businesses. It was formerly home to a Hawaiian Commercial & Sugar mill from 1880 to 2000.

Maui County, officially the County of Maui, is a county in the U.S. state of Hawaii. It consists of the islands of Maui, Lānaʻi, Molokaʻi, Kahoʻolawe, and Molokini. The latter two are uninhabited. As of the 2020 census, the population was 164,754. The county seat is Wailuku.