Scott Armstrong

Scott Armstrong may refer to:


 * J. Scott Armstrong (1937–2023), Wharton Business School professor
 * Scott Armstrong (basketball) (1913–1997), American professional basketball player
 * Scott Armstrong (journalist), former Washington Post journalist and author
 * Scott Armstrong (politician) (born 1966), Canadian Member of Parliament
 * Scott Armstrong (rugby union) (born 1986), rugby union player for Northampton Saints
 * Scott Armstrong (wrestler) (born 1965), professional wrestler and referee
 * Scott A. Armstrong, American oncologist
 * Scott Armstrong, president and CEO of Group Health Cooperative