Lăzăreanu is a Romanian surname. Notable people with the surname include:
Barbu Lăzăreanu (1881–1957), Romanian Jewish scholar and left-wing activist Filip Lăzăreanu (born 1981), Romanian footballer Gheorghe A. Lăzăreanu-Lăzurică (1892–?), Romanian Romani activist Irina Lăzăreanu (born 1982), Romanian-Canadian model and folk singer Marcel Lăzăreanu (born 1954), Romanian footballer