Henri-Benjamin Constant de Rebecque (25 October 1767 - 8 December 1830), or simply Benjamin Constant, was a Swiss and French political thinker, activist and writer on political theory and religion.

A committed republican from 1795, Constant backed the coup d'état of 18 Fructidor (4 September 1797) and the following one on 18 Brumaire (9 November 1799). He became the leader