William Courtenay, 1st Viscount Courtenay

William Courtenay, 1st Viscount Courtenay (11 February 1709 – 16 May 1762), also de jure 7th Earl of Devon, was a British peer. He was the son of William Courtenay, 6th Earl of Devon and 2nd Baronet Courtenay, and Lady Anne Bertie.

Sir William Courtenay was educated at Westminster School and graduated from Magdalen College, Oxford University in 1731 with a Master of Arts. He succeeded to the title of 3rd Baronet Courtenay and de jure to the title of 7th Earl of Devon on 10 October 1735. He was awarded the honorary degree of Doctor of Civil Law by Magdalen College in 1739.

He held the office of Member of Parliament for Honiton as a Tory between 1734 and 1741 and for Devon from 1741 to 6 May 1762, when he was created 1st Viscount Courtenay of Powderham Castle.

He married on 2 April 1741 Lady Frances Finch (d.1761), daughter of Heneage Finch, 2nd Earl of Aylesford by his wife Mary Fisher (1690-1740) , daughter and heiress of Sir Clement Fisher, 3rd Baronet (d.1729) of Packington Hall, Warwickshire. They had the following children:

He was buried on 31 May 1762 at Powderham, Devon, England.