Eckstein is a surname of German origin, meaning "cornerstone" (eck means 'corner', and stein means 'stone'). According to information gleaned from the U.S. Census, around 2,500 people in the United States have the surname Eckstein. Notable people with the surname include:
Arthur Eckstein, American historianBernd Eckstein, (Born 1953) German ski jumperDavid Eckstein (born 1975), American baseball playerDieter Eckstein (born 1964), German footballerEmma Eckstein (1865–1924), early patient of Sigmund FreudErnestine Eckstein (1941–1992), American Black, Feminist, and LGBT activistErnst Eckstein (1845–1900), German humorist, novelist and poetHans Eckstein (1908–1985), German water polo playerHermann Eckstein (1847–1893), German-born mining magnate and banker in South AfricaJohn Eckstein (1736–1817), German artistOtto Eckstein (1927–1984), German-born economist at Harvard University, and member of the U.S. President's Council of Economic AdvisersRudolf Eckstein (1915–near 1939), German rowerPéter Eckstein-Kovács (born 1956), Romanian politicianPeter A. Eckstein, American president of Institute of Electrical and Electronics Engineers