Matt Fritchman, better known by the pen name Matt Fraction, is an Eisner Award-winning American comic book writer, known for his work as the writer of The Invincible Iron Man, FF, The Immortal Iron Fist, Uncanny X-Men, and Hawkeye for Marvel Comics; Casanova and Sex Criminals for Image Comics; and Superman's Pal Jimmy Olsen for DC Comics.

The Invincible Iron Man is a comic book series written by Matt Fraction with art by Salvador Larroca, published by Marvel Comics and starring the superhero Iron Man. After issue #33 The Invincible Iron Man returned to its original numbering with issue #500. It concluded with issue 527, succeeded by the Marvel NOW!–imprinted Iron Man series.