Siddeley may mean:
- Siddeley-Deasy, a British automobile, engine and aircraft company based in Coventry in the early 20th century
- Hawker Siddeley, a group of British manufacturing companies engaged in aircraft production
- Armstrong Siddeley, a British engineering group that operated during the first half of the 20th century
- John Siddeley, 1st Baron Kenilworth, a captain of the automobile industry in Britain
- All pages with titles containing Siddeley
This disambiguation page lists articles associated with the title Siddeley.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: