俾斯麦山脉（Bismarck Range）是巴布亚新几内亚的一座山脉，位于巴国中部，名称源自时任德意志帝国宰相奥托·冯·俾斯麦，历史上1880年代到1914年被德国殖民统治的时期。

山脉最高峰是海拔4,509米的威廉山。

The Bismarck Range is a mountain range in the central highlands of Papua New Guinea. The range is named after the German Chancellor, Otto von Bismarck. From the 1880s to 1914 this part of the island was a German colony.

The highest point is Mount Wilhelm at 4,509 m (14,793 ft). At over 3,400 metres (11,155 ft), the landscape is alpine with tundra, in spite of the tropical climate. The Ramu River has its source in the range.