Doctor Niven is a character that appears in the Sonic the Hedgehog comic series and its spin-offs published by Archie Comics. He was a scientist who programmed the Alpha-100 Series mechanoid Isaac's software in the 21st century, as part of a design team led by Doctor Ivan Kintobor.
- Doctor Niven was named after science fiction writer Larry Niven.
- In Sonic the Hedgehog #148, Doctor Niven and his associate, Professor Clarke, are referred to by Shadow as Overlanders. However, they lived before Overlanders evolved from Humans.