L'Isle-Jourdain (; , ; or ) is a commune in the Gers department, Occitania, Southwestern France. The lexicographers Claude (1854âÂÂ1924) and Paul Augé (1881âÂÂ1951) were born in L'isle-Jourdain as was the writer Armand Praviel (1875âÂÂ1944).
The inhabitants of the commune are known as Lislois in French.
L'Isle-Jourdain is twinned with: