Gruben has different meanings:
Places Gruben/Meiden, a village in the canton of Valais, Switzerland Gruben, a village in the municipality of Rana in Nordland county, Norway
People Federico Grüben, an Argentine Olympic shooter Franz Josef von Gruben (1829–1888), a German politician Patricia Gruben, an American-born filmmaker Thierry de Gruben, a former Ambassador from the Kingdom of Belgium to the United Kingdom
See also
Tuktoyaktuk/James Gruben Airport, an airport in northern Canada