Norwegian Geotechnical Institute (Norwegian: Norges geotekniske institutt, NGI) is a private foundation based in Norway doing research and consulting in the geosciences, including soil, rock and snow.
NGI's core competence is within geotechnics, engineering geology, hydrogeology and environmental geotechnology, with expertise within material properties, modelling and analysis, and instrumentation and monitoring. NGI's strength lies in the expertise of its personnel working in collaboration with clients and partners.
NGI is also the host of the International Centre for Geohazards (ICG), one of Norway's first Centres of Excellence (CoE). NGI's partners are NORSAR, the Norwegian Geological Survey (NGU), the University of Oslo (UiO) and the Norwegian University of Science and Technology (NTNU).