Gabriele Dell’Otto is an Italian illustrator and author whose works have been published in several countries in the fields of scientific illustration, comic books, calendars, lithographies, books, colored graphic folders, and cover work for magazines and video games.

Secret War is a 2004–2005 comic book storyline published by Marvel Comics, consisting of a central, five-issue miniseries written by Brian Michael Bendis and illustrated by Gabriele Dell'Otto, and a number of tie-in books. It is loosely based on classified operations told to Bendis by an anonymous high-ranking officer in the United States Intelligence Community during Bendis' childhood.