Reginald Thomas Guy Des Voeux Paget, Baron Paget of Northampton (2 September 1908 – 2 January 1990), also known as Reginald Guy Thomas Du Voeux Paget was a British lawyer and Labour politician.
The son of Major Guy Paget, he was Member of Parliament (MP) for Northampton from 1945 to 1974. He was advocate of Erich von Manstein and later author of "Manstein: His Campaigns and His Trial" (1957). He was also a strong opponent of the execution of Derek Bentley, and argued for Timothy Evans to be posthumously pardoned for the murder of his child.
Paget was a Queen's Counsel. On 2 January 1975, he was created a life peer as Baron Paget of Northampton, of Lubenham in the County of Leicestershire.
In 1931, he married Sybil Helen Gibbons (Nancy), daughter of Sills Clifford Gibbons. They occupied Lubenham Lodge 2 miles west of Market Harborough from 1964.