Ricardo Arap Bethke Galdames (born March 12, 1980 in Nairobi, Kenya) is a Mexican actor. He was born to a German father and a Chilean mother, but grew up in Mexico.

He is most remembered for his role of "Chacho" in the telenovela Clase 406. In 2007 he appeared in the Ugly Betty episode "A Tree Grows in Guadalajara as Antonio Barreiro, a cafe waiter who tried to sweet talk Hilda Suarez, and after meeting her father Ignacio, was the one who tipped off a contact who was waiting for Ignacio's return to Mexico. Arap also starred in "Tierra de pasiones", and in Madre Luna as Demetrio Aguirre.