- Dr. Stephanie DeLuse
- Dr. Stephen A. Harden
- Dr. Stephen Baird
- Dr. Stephen L. Hamilton
- Dr. Steve Kraemer and the Bluesicians
- Dr. Steven Paul
- Dr. Steven West & Co.
- Dr. Stone
- Dr. Stone
- Dr Strafe
- Dr. Strange
- Dr. Strangely Strange
- Dr. Stress
- Dr. Stuart McCalley, M.D.
- Dr. Suce
- Dr. Sundar Singh
- Dr. Susanne Gaddis, PhD, CSP
- Dr. Swede
- Dr. Swiss Finger
- Dr. Switch & Mr. Portamento
- Dr. Sykerö