Marthino Lio (born in Surabaya, East Java, Indonesia, on January 26, 1989) is an Indonesian actor, singer, and model. He gained widespread recognition for his role as Raden Mas Rangsang in the film Sultan Agung: Tahta, Perjuangan dan Cinta.

Marthino began his career in the entertainment industry by becoming the runner-up in the cover boy search for Aneka Yess! magazine in 2004. The following year, in 2005, he was crowned the winner of the Putra Putri Bahari pageant and earned the title of Putra Bahari. In 2016, Marthino ventured into the music industry. He sang the theme song for the film Ada Apa Dengan Cinta? 2, titled "Ratusan Purnama", alongside Melly Goeslaw. The song was written by Melly Goeslaw and Anto Hoed.