奥克河是德国的河流，位于该国北部下萨克森州，属于阿勒尔河的左支流，河道全长105公里，流域面积1,800平方公里，发源自布鲁赫山，河口处在米登。

• Heavy metal pollution of the Oker （德文）
• Description of white water canoe section between Kraftwerk and Nachstaubecken with many photos （德文）

The Oker is a river in Lower Saxony, Germany, that has historically formed an important political boundary. It is a left tributary of the River Aller, 105 kilometres (65 mi) in length and runs in a generally northerly direction.