List of Famous people born in Harju County, Estonia

Gavril Ivanovich Tanfilyev was a Russian and Soviet soil scientist and botanist who worked on biogeography and aspects of plants ecology associated with soil and climate and examined the distributional limits of plants. He also produced a classification of the marshes.

Marko Kristal is an Estonian football manager and former player. He is the manager of Nõmme Kalju.

Bernhard Woldemar Schmidt was an Estonian optician. In 1930 he invented the Schmidt telescope which corrected for the optical errors of spherical aberration, coma, and astigmatism, making possible for the first time the construction of very large, wide-angled reflective cameras of short exposure time for astronomical research.

Roman Steinberg, was an Estonian Greco-Roman wrestling bronze medal winner in middleweight class at the 1924 Summer Olympics in Paris, France. Steinberg was also three times Estonian wrestling champion 1921–1923, coached by Robert Oksa.