Ricardo Gonzalo Pedro Montalbán y Merino, KSG (; Spanish: [montalˈβan]; November 25, 1920 – January 14, 2009) was a Mexican and American film and television actor. Montalbán's career spanned seven decades, during which he became known for performances in a variety of genres, from crime and drama to musicals and comedy.

Later in his career, Montalbán portrayed Armando in the Planet of the Apes film series from the early 1970s, starring in both Escape from the Planet of the Apes (1971) and Conquest of the Planet of the Apes (1972). As the villain Khan Noonien Singh, a genetically enhanced human, he starred in both the original Star Trek television series (1967) and the film Star Trek II: The Wrath of Khan (1982). During the 1970s and 1980s, he was a spokesman in automobile advertisements for Chrysler, including those in which he extolled the "rich Corinthian leather" used for the Cordoba's interior.

Montalbán played Mr. Roarke on the television series Fantasy Island (1977–1984). He won an Emmy Award for his role in the miniseries How the West Was Won (1978), and a Lifetime Achievement Award from the Screen Actors Guild in 1993. Montalbán was professionally active into his 80s, providing voices for animated films and commercials and appearing as Grandfather Valentin in the Spy Kids franchise.