Viscounts Chelmsford (1921)
- Frederic John Napier Thesiger, 1st Viscount Chelmsford (1868–1933)
- Hon. Frederic Ivor Thesiger (1896–1917)
- Andrew Charles Gerald Thesiger, 2nd Viscount Chelmsford (1903–1970)
- (Frederic) Jan Thesiger, 3rd Viscount Chelmsford (1931–1999)
- Frederic Corin Piers Thesiger, 4th Viscount Chelmsford (b. 1962)
The heir apparent is the present holder's son the Hon. Frederic Thesiger (b. 2006)
Read more about this topic: Viscount Chelmsford