Precious Hearts Romances Presents: Los Bastardos is a 2018 Philippine drama television series under Precious Hearts Romances loosely based on the Filipino pocket book novel Cardinal Bastards by Vanessa, starring Ronaldo Valdez, Jake Cuenca, Marco Gumabao, Albie Casiño, Joshua Colet, Joseph Marco, Diego Loyzaga, and Gloria Diaz. The series premiered on ABS-CBN's Kapamilya Gold afternoon block and worldwide via The Filipino Channel from October 15, 2018 to September 27, 2019, replacing Precious Hearts Romances Presents: Araw Gabi and was replaced by Sandugo. The series was inspired by Fyodor Dostoevsky's The Brothers Karamazov.

Ronald James Dulaca Gibbs, popularly known by his screen name Ronaldo Valdez, was a Filipino actor whose career spanned almost five decades.