Emma Kailikapuolono Metcalf Beckley Nakuina (March 5, 1847 – April 27, 1929) was an early Hawaiian female judge, curator and cultural writer. Descended from an American sugar planter and a Hawaiian high chiefess, she was educated in Hawaii and California. She served as curator of the from 1882 to 1887 and as Commissioner of Private Ways and Water Rights from 1892 to 1907. In her role as a government commissioner, she is often regarded as Hawaii's first female judge. During the early 1900s, she became a supporter of the women's suffrage movement in the Territory of Hawaii. Nakuina was also a prolific writer on the topic of Hawaiian culture and folklore and her many literary works include Hawaii, Its People, Their Legends (1904).