Nicolae Frolov (1876–1948) was a Romanian geologist and agronomist from Bessarabia.
He was noted for his work in explicating the hydrology of Bessarabia and as director of the Chișinău National Museum.
In 1921, he moved to Chişinău and was appointed as director of the Chișinău Museum.
He taught agronomy and agricultural economics at the university there until 1940, when he retired and moved to Romania.
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