Isle-Aumont (French pronunciation: [il omɔ̃]) is a commune in the Aube department in the Grand Est region, France. In the middle ages it was part of the Lordship of Isle, which was later raised to the status of a marquisate and then a duchy vested in the House of Aumont.

Historical population

Year	Pop.	±%
1962	133	—
1968	165	+24.1%
1975	351	+112.7%
1982	367	+4.6%
1990	558	+52.0%
1999	543	−2.7%
2008	510	−6.1%
2014	496	−2.7%

In the middle ages the town formed part of the seigneury or lordship of Isle. By the time of Henry II the lordship of Isle was vested in the House of Aumont when it became a marquisate. In 1665, Louis XIV raised it to a duchy, creating the then marquis, Antoine d"Aumont, 1st Duke of Aumont.

• Communes of the Aube department