Grigory Samuilovich Landsberg (Григорий Самуилович Ландсберг) (January 10, 1890 - February 2, 1957) Russian physicist.

Grogory Landsberg graduated from Moscow University in 1913. His primary scientific contribution was in the fields of optics and spectroscopy. He was a co-discoverer of inelastic scattering of light used in Raman spectroscopy.