索恩河（法语：Saône，宽式IPA：/son/；法兰克-普罗旺斯语：Sona）是法国东部的一条河流，罗讷河其中一条支流，发源于孚日省维奥梅尼尔，流经孚日、上索恩、科多尔、索恩-卢瓦尔、罗讷和安六省，在里昂与罗讷河汇流。

The Saône (French:La Saône French pronunciation: ​[soːn]; Arpitan Sona, Latin:Arar) is a river of eastern France. It is a right tributary of the Rhône, rising at Vioménil in the Vosges department and joining the Rhône in Lyon, just south of the Presqu'île.