吕伊河是法国的河流，位于该国西南部亚奎丹，属于阿杜尔河的左支流，河道全长155公里，流域面积1,150平方公里，河口处在达克斯。

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

The Luy, is a left tributary of the Adour, in the Landes, in the Southwest of France.

The Luy is the union of two neighboring rivers, the Luy de Béarn, which is 77 kilometres (48 mi) long, in the south, and the Luy de France, the main course. Both rise in Béarn, at the base of the plateau of Ger, east of Pau.