Douglas Adams (1952–2001) was an English writer and dramatist.
Douglas or Doug Adams may also refer to:
- Douglas Adams (cricketer) (1876–1931), American cricketer
- Douglas Adams (engineer), American engineer
- Douglas Q. Adams, Indo-Europeanist academic and professor
- Doug Adams (American football) (1949–1997), American football player
- Doug Adams (baseball) (born 1943), MLB player
- Doug Adams (music journalist), American music journalist and author
- Doug Adams (television producer), American television producer
- Douglas Adams, CEO of Adams Cable