Charles Henry Wyndham, 3rd Baron Leconfield, GCVO, JP (17 February 1872 – 16 April 1952) was a British peer, army officer and political figure.

In World War II, he was appointed Honorary Colonel of the 5th Battalion of the Border Regiment (representing Cumberland, in which he held significant lands), and of the 98th Surrey and Sussex Yeomanry.

[1] Lord Leconfield inherited the family seat, Petworth House, as well as significant land in Cumberland, including Cockermouth Castle and Scafell Pike.

In 1919, he placed Scafell Pike—the highest peak in England—under the custody of the National Trust in honour of the soldiers of the Lake District who served in World War I. Lord Leconfield also opened the state rooms and large art collection of Petworth House, his 17th-century mansion, to the public.

In 1935 he was appointed Knight Grand Cross of the Royal Victorian Order for his services as a member of the Council of the Duchy of Lancaster and Lord Lieutenant of Sussex.