Blunden is a surname. Notable people with the surname include:
- Alice Blunden, the subject of a notorious account of premature burial
- Andy Blunden, Australian writer and Marxist philosopher
- Anna Blunden (1829–1915), English pre-Raphaelite artist
- Arthur Blunden (1906–1984), English cricketer
- Bill Blunden, British television and film editor
- Bill Blunden (author), non-fiction writer
- Edmund Blunden (1896–1974), English poet, author and critic
- Godfrey Blunden (1906–1996), Australian journalist and author
- Jeraldyne Blunden (1940–1999), American choreographer
- John Blunden (politician) (1695–1752), Irish politician
- Sir John Blunden, 1st Baronet (1718–1783), Irish baronet and politician
- Mike Blunden, Canadian ice hockey player
- Peter Blunden, Australian publisher
