Siddeley
Siddeley stands for:
- Siddeley Autocar , former British car manufacturer
Siddeley is a family name for the following people:
- John Siddeley, 1st Baron Kenilworth (1866–1953), British industrialist
- John Siddeley, 3rd Baron Kenilworth (1924-1981)
- John Siddeley, 4th Baron Kenilworth (born 1954)
