"Ko e fasi ʻo e tuʻi ʻo e ʻOtu Tonga (Song of the King of the Tonga Islands)" is the national anthem of Tonga.
The song was adopted as national anthem of Tonga in 1874. The lyrics was written by Uelingatoni Ngū Tupoumalohi. The music was written by Karl Gustavus Schmitt.