Cantonul Auch-Sud-Est-Seissan este un canton din arondismentul Auch, departamentul Gers, regiunea Midi-Pyrénées, Franța.
Comune
|Auch||align="right"|21 838||align="right"|32000||align="right"|32013 |- |Auterive||align="right"|508||align="right"|32550||align="right"|32019 |- |Boucagnères||align="right"|141||align="right"|32550||align="right"|32060 |- |Haulies||align="right"|81||align="right"|32550||align="right"|32153 |- |Labarthe||align="right"|142||align="right"|32260||align="right"|32169 |- |Orbessan||align="right"|213||align="right"|32260||align="right"|32300 |- |Ornézan||align="right"|237||align="right"|32260||align="right"|32302 |- |Pessan||align="right"|634||align="right"|32550||align="right"|32312 |- |Sansan||align="right"|89||align="right"|32260||align="right"|32411 |- |Seissan||align="right"|1 002||align="right"|32260||align="right"|32426
Categorie:Cantoane în Gers