The Lyde Baronetcy, of Ayot St Lawrence in the County of Hertford, was title in the Baronetage of England. It was created on 13 October 1772 for Lyonel Lyde. The title became extinct on his death in 1791.
Sir Lyonel Lyde, 1st Baronet (1724–1791) was a merchant who made a fortune from the slave trade.