James Purdon Lewes Thomas, 1st Viscount Cilcennin, KStJ, PC, sometimes known as Jim Thomas, was a British Conservative politician. He served as First Lord of the Admiralty between 1951 and 1956.
- Occupation
- politician
- Position held
- Member of the Privy Council of the United Kingdom, member of the 41st Parliament of the United Kingdom, member of the 40th Parliament of the United Kingdom, member of the 39th Parliament of the United Kingdom
- Citizenship
- United Kingdom
- Born
- October 13, 1903