Gunma Museum of Natural History (群馬県立自然史博物館, Gunma Kenritsu Shizenshi Hakubutsukan, formerly 群馬県立自然科学資料館) is a museum of the natural sciences in Tomioka, Gunma Prefecture, Japan.

The museum first opened in 1978 under its old Japanese name, after repairs to the former Gunma Prefectural Museum (群馬県立博物館).

[1] In 1996, the old museum closed, and its collection was transferred, before reopening under its current name in a new building to designs by Uchii Shōzō.

[1] On 8 August 2008, the Museum received its two millionth visitor, and on 7 August 2015, its three millionth.

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