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

See also[edit]

• Scot Armstrong (born 1970), American screenwriter and producer