David Welch
David Welch may refer to:
- David A. Welch, Canadian political scientist
- David Welch , British horticulturist
- David Welch , American diplomat
- David Welch , baseball pitcher
- David Welch , American businessman and research scientist
- David Welch, English historian
- David E. Welch, Wisconsin state assemblyman and senator
- David Welch , member of the New Hampshire House of Representatives
- Dave Welch, British poker player
- Dave Welch, United States Navy admiral