Dana, James Dwight (1813-1895), a United States geologist and mineralogist. He was noted for his scientific writings. Dana was born in Utica, New York. He left Yale College in 1838 to become a civilian mathematics instructor for the U.S. Navy. In 1838-42 he was mineralogist and geologist for a United States government expedition to the South Pacific. Dana was editor of the American Journal of Science from 1840 until his death, and professor of geology and mineralogy at Yale, 1849-92.

His writings include a series of reports on the South Pacific expedition; System of Mineralogy (1837); A Manual of Mineralogy (1848); A Manual of Geology (1862); and Characteristics of Volcanoes (1890).