Francisco Martínez Roca aka Paco Roca (born in 1969 on Valencia, Spain) is a Spanish strip cartoonist with experience in graphic novels and advertisement illustrations.

Roca read comics since childhood, such as Asterix and Obelix, Lieutenant Blueberry and Tintin. In addition to these comic classics, the style of comic authors such as Richard Corben, Carlos Giménez and Frank Miller also influenced him. Later he studied art and then earned his livelihood in an advertising agency.