Haleiwa is a North Shore community and census-designated place (CDP) in the Waialua District of the island of , City and County of Honolulu. Haleiwa is located on Waialua Bay, the mouth of Anahulu Stream (also known as Anahulu River). A small boat harbor is located here, and the shore of the bay is surrounded by Haleiwa Beach Park (north side) and Haleiwa Alii Beach Park (south side). Further west from the center of town is Kaiaka State Recreation Area on Kiaka Point beside Kaiaka Bay. As of the 2010 census, the CDP had a population of 3,970. It is the largest commercial center on the North Shore of the island. Its old plantation town character is preserved in many of the buildings, making this a popular destination for tourists and residents alike, visiting surfing and diving sites along the north shore.
The U.S. postal code for Haleiwa, including Kawailoa, is 96712.