Dinsmoor is a surname, and may refer to:
Charles Dinsmoor (1834–1904), American inventor and lawyer James A Dinsmoor (1921-2005), a psychologist specialized in the field of experiential analysis of behavior Samuel Dinsmoor (1766–1835), American teacher, lawyer and politician Samuel Dinsmoor Jr. (1799–1869), American lawyer, banker and politician Samuel P. Dinsmoor (1843–1932), American teacher and sculptor Silas Dinsmoor (1766–1847), U. S. Agent to the Cherokee and Choctaw William Bell Dinsmoor (1886–1973), American architectural historian of classical Greece William Bell Dinsmoor Jr. (1923–1988), American classical archaeologist and architectural historian