The following list is of characters who carried the title Doctor:
- Doc - the alcoholic physician at Carver City from Flesh: Book One
- Doctor - the doctor who treated the Midshipman of the Cinder Horse from Helium
- Doctor - the doctor who treated Savinien Cyrano de Bergerac in Sannois in 1655 from The Order: Wyrm War
- Doctor Horowitz - an eastern scientist experimenting with compu-puncture from M.A.C.H.1: M.A.C.H. Woman
- Doctor Klinger - a UN peacemaker from M.A.C.H.1: Airship
- Doctor Moxan - Science officer with the British Secret Service from M.A.C.H.1: On the Roof of the World
- Dr. Arnold Wisenheimer - a scientist in the field of robotics in Judge Dredd: Robot Wars