Makawao Union Church is a church near Makawao on the Hawaiian island of Maui. It was founded by New England missionary Jonathan Smith Green during the Kingdom of Hawaii. The third historic structure used by the congregation was designed by noted local architect C.W. Dickey and dedicated in 1917 as the Henry Perrine Baldwin Memorial Church. In 1985, Makawao Union Church was placed on the Hawaii and National Register of Historic Places.