Ribemont (French pronunciation: [ʁibmɔ̃]) is a commune in the Aisne department in Hauts-de-France in northern France. It is the birthplace of Marquis de Condorcet (1743-1794), figure of the French Revolution

Two treaties were signed in Ribemont:

• The Treaty of Ribemont in 880 was the last treaty on the partitions of the Frankish Empire. It was signed by the German king Louis the Younger and the kings of Western Francia, Louis III and Carloman.
• The Treaty of Ribemont in 1179 was signed on 2 May 1179 by the two eldest sons of the late Duke Matthias I of Lorraine.

Anselm of Ribemont founded here the Benedictine abbey of Saint Nicolas in the late 11th century.

Historical population

Year	Pop.	±% p.a.
1968	2,152	—
1975	2,014	−0.94%
1982	2,105	+0.63%
1990	2,227	+0.71%
1999	2,096	−0.67%
2009	2,003	−0.45%
2014	1,968	−0.35%
2020	1,914	−0.46%
Source: INSEE

• Communes of the Aisne department
• List of medieval bridges in France