Thellusson is a given name. Notable people with the name include:
- Thomas Thellusson Carter (1808–1901), significant figure in the Victorian Church of England
- Frederick Thellusson, 4th Baron Rendlesham (1798–1852), British Conservative Party politician
- Frederick Thellusson, 5th Baron Rendlesham (1840–1911), British Conservative politician
- Peter Thellusson, 1st Baron Rendlesham (1761–1808), British merchant, banker and politician
- Peter Thellusson (1737–1797), Swiss businessman and banker who settled in London
- Claud Thomas Thellusson Wood MC (1885–1961), Bishop of Bedford
See also
edit- Thellusson v Woodford (1799) 4 Ves 227 is an English trusts law case
- Hôtel Thellusson, luxurious hôtel particulier, built in 1778 by Claude-Nicolas Ledoux