Pia Jasmin Guerra is an American-born Canadian comic book artist and editorial cartoonist. She is best known for her work as co-creator and lead penciller on the critically acclaimed Vertigo title Y: The Last Man. Her career in the comics industry began in the 1990s, where she developed her reputation for detailed and expressive artistry.

Guerra's contributions are not limited to the world of comic books. She has also contributed to Doctor Who: The Forgotten, and worked with major comic publishers such as DC and Marvel Comics. Her talents extend into editorial cartoons, where she regularly provides content for The New Yorker, MAD Magazine, and The Nib. Pia Guerra is also the author of the editorial cartoon collection Me The People, published by Image Comics.

Her outstanding work has not gone unnoticed; Guerra has been honored with prestigious accolades including an Eisner Award, Harvey Award, and Joe Shuster Award, solidifying her position as a respected figure in the comics and illustration community.