Ayot St Lawrence is a small English village and civil parish in Hertfordshire, two miles (three kilometres) west of Welwyn.

During the 1950s, the silk-maker Zoe Dyke (1896–1975) moved her business to Ayot House.

[5] The historical novelist, biographer and children's writer Carola Oman, Lady Lenanton (1897–1978) lived at Bride Hall with her husband.

[6] The village has a timber-framed public house, The Brocket Arms, which may date back to the early 16th century.

[8] The village has two churches: Field Marshal Frederick Rudolph Lambart, 10th Earl of Cavan (1865–1946), a British Army officer and Chief of the Imperial General Staff, is buried in the churchyard.