Брауншвейг-Вольфенбюттель
Ferdinand Albert I (; 22 May 1636 – 23 April 1687), a member of the House of Welf, was a Duke of Brunswick-Lüneburg. After a 1667 inheritance agreement in the Principality of Brunswick-Wolfenbüttel, he received the secundogeniture of Brunswick-Bevern, which he ruled until his death.