In 2006, Longniddry and the neighbouring towns of Prestonpans, Cockenzie and Port Seton were twinned with the town of Barga, Tuscany, Italy.
•
John Knox, main figure in the Scottish Reformation and disciple of John Calvin spent significant time in Longniddry as tutor to the sons of the Douglas family who lived at the west side of the village.
•
James Bond actor Pierce Brosnan lived in Longniddry from August 1964 with his mother and new stepfather William Carmichael before moving to London.
In 2006, Prestonpans and the neighbouring towns of Cockenzie, Port Seton and Longniddry were twinned with the town of Barga, Tuscany, Italy.