30 Days of Night is a 2007 American action horror film based on the comic book miniseries of the same name. The film was directed by David Slade and stars Josh Hartnett and Melissa George. The story focuses on an Alaskan town beset by vampires as it enters into a 30-day-long polar night.

30 Days of Night is a three-issue horror comic book miniseries written by Steve Niles, illustrated by Ben Templesmith, and published by American company IDW Publishing in 2002. All three parties co-own the property.