Scott Armstrong
Scott Armstrong may refer to:
- J. Scott Armstrong, Wharton Business School professor
- Scott Armstrong (basketball), American professional basketball player
- Scott Armstrong (journalist), former Washington Post journalist and author
- Scott Armstrong (politician), Canadian Member of Parliament
- Scott Armstrong (rugby union), rugby union player for Northampton Saints
- Scott Armstrong (wrestler), professional wrestler and referee
- Scott A. Armstrong, American oncologist
- Scott Armstrong, president and CEO of Group Health Cooperative