Gregory Rucka is an American writer known for the series of novels starring his character Atticus Kodiak, the creator-owned comic book series Whiteout, Queen & Country, Stumptown and Lazarus, as well as lengthy runs on such titles as Detective Comics, Wonder Woman and Gotham Central for DC Comics, and Elektra, Wolverine and The Punisher for Marvel. He has written a substantial amount of supplemental material for a number of DC Comics' line-wide and inter-title crossovers, including "No Man's Land", "Infinite Crisis" and "New Krypton".

Whiteout is a comic book limited series by writer Greg Rucka and artist Steve Lieber. It was originally released in four issues during 1998, by Oni Press and then collected into a trade paperback.