吕南河是法国的河流，位于该国中北部，属于鲁应河的右支流，河道全长51.4公里，发源自埃格里塞勒勒博卡热西南面，河口处在埃皮西。

• http://www.geoportail.fr
• The Lunain at the Sandre database

The Lunain is a 51.4 km (31.9 mi) long river in the Yonne and Seine-et-Marne départements in north-central France. It is a tributary off the right bank of the Loing.

Its source is in Yonne, less than 3 km (1.9 mi) south-west of Égriselles-le-Bocage. It joins the river Loing in Seine-et-Marne, at Épisy.