Negrești is a town in Vaslui County, in the eastern part of Western Moldavia, a traditional region of Romania. It is one of the smaller urban centres of the county, which lies in the country's north-eastern area.
At the 2021 census the town had a population of 7,530. Its name is derived from the nobleman Negrea, who served in the council of Alexander the Good, the Moldavian ruler of the early fifteenth century.