Luna Bergere Leopold (October 8, 1915 – February 23, 2006) was a leading U.S. geomorphologist and hydrologist, and son of Aldo Leopold.

He received a B.S. in civil engineering from the University of Wisconsin in 1936; an M.S. in physics-meteorology from the University of California, Los Angeles in 1944; and a Ph.D. in geology from Harvard University in 1950.Leopold is widely known in his primary field for his work in fluvial geomorphology and for the classic book, Fluvial Processes in Geomorphology, that he wrote with Gordon Wolman and John Miller.

From 1937 to 1940, Leopold worked as an engineer for the U.S. Soil Conservation Service in New Mexico.

In 1940, he enlisted and was a part of the U.S. Army Weather Service and the Army Air Force.

He was in the Army until 1946 and he rose from the rank of Private to Captain.

From 1946 to 1950, Leopold served as the Chief Meteorologist of the Pineapple Research Institute, Hawaii.

In 1950, he joined the U.S. Geological Survey.

He worked for the USGS until 1972 serving as Hydraulic Engineer (1950–56), Chief Hydrologist (1956–66), and Senior Research Hydrologist (1966–72).

In 1972, Leopold joined the faculty of the University of California, Berkeley as a professor in the Department of Geology and Geophysics and Department of Landscape Architecture.

He retired in 1986 and continued as a Professor Emeritus until his death in 2006.

Leopold, Luna B. (1966, reprinted 1981).