Global Frequency is an American comic book limited series created and written by Warren Ellis and published by Wildstorm Productions, an imprint of DC Comics.

Warren Girard Ellis is an English comic book writer, novelist, and screenwriter. He is best known as the co-creator of several original comics series, including Transmetropolitan (1997–2002), Global Frequency (2002–2004) and Red (2003–2004), which was adapted into the feature films Red (2010) and Red 2 (2013). Ellis is the author of the novels Crooked Little Vein (2007) and Gun Machine (2013) and the novella Normal (2016).