thumb|200px|Arms of Lucas of Little Saxham, Suffolk and Shenfield, Essex: Argent, a fess between six annulets gules
Baron Lucas is a title that has been created twice in the Peerage of England. The second creation is extant and is currently held with the title Lord Dingwall in the Peerage of Scotland.
Barons Lucas (of Shenfield) (1645)
The title Baron Lucas, of Shenfield in the County of Essex, was created 13 January 1645 for Sir John Lucas, a Royalist army officer.
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