Doom 2099 is a fictional anti-hero appearing in American comic books published by Marvel Comics. The character was primarily featured in the Marvel 2099 series Doom 2099. The character is based on Doctor Doom, created by Stan Lee and Jack Kirby. The series was written by John Francis Moore for its first two years, and by Warren Ellis for its third.

Marvel 2099 was a Marvel Comics imprint, started in 1992, that was originally about one possible future of the Marvel Universe, but later revealed to be the Earth of the main Marvel continuity in the distant future. It was originally announced by Stan Lee in his "Stan's Soapbox" column as a single series entitled The Marvel World of Tomorrow, which was being developed by Lee and John Byrne. This later changed to a line of books under the banner Marvel 2093 before finally being published as Marvel 2099.