Ronald James Dulaca Gibbs (November 27, 1947 – December 17, 2023), popularly known by his screen name Ronaldo Valdez (Tagalog: [ɾɔˈnɐldɔ bɐlˈdɛs]), was a Filipino actor whose career spanned almost five decades.

Valdez was discovered by Dolphy at a neighborhood basketball court while he was searching for a new actor to pair with Susan Roces in the 1966 film Pepe En Pilar.

He also guest-hosted several television programs such as SOP Rules, Nuts Entertainment, Eat Bulaga!, Kakasa Ka Ba sa Grade 5?, Power of 10, All Star K!

[5] In 2017, Valdez was selected by KFC to become the first Filipino Colonel after appearing in a viral comedic audition video for the role alongside Leo Martinez and Pen Medina.

[6][7] His last two films that he was part of, GG (Good Game): The Movie (co-starring Donny Pangilinan, Maricel Laxa, Baron Geisler & Gold Aceron) and Itutumba Ka ng Tatay Ko (top-billed by his son Janno Gibbs in his directorial debut and starring Xia Vigor and Jeric Raval), were both posthumously released on January 24, 2024.