Lendvai is a Hungarian surname. Notable people with the surname include:
Erna Lendvai-Dircksen (1883–1962), German photographer Ernő Lendvai (1925–1993), Hungarian music theorist Erwin Lendvai (1882–1949), Hungarian composer and choral conductor Ildikó Lendvai (born 1946), Hungarian politician Miklós Lendvai (born 1975), Hungarian footballer Paul Lendvai (born 1929), Hungarian-born Austrian journalist Péter Lendvai (born 1975), Hungarian footballer Tibor Lendvai (born 1940), Hungarian cyclist