Blakley is an English surname. Notable people with the surname include:
- Alan Blakley (1942–1996), English guitarist and record producer
- Claudie Blakley (born 1974), English actor
- Dwayne Blakley (born 1979), American football player
- George Blakley, American cryptographer and mathematician
- Lin Blakley (born 1948), British actress
- Ronee Blakley (born 1945), American actress and singer
- Sherry Blakley (1962–2011), American racing driver
- William A. Blakley (1898–1976), American politician and businessman