Kühnert or Kuehnert is a German surname. Notable people with the surname include:
Ernst Gustav Kühnert (1885–1961), Estonian architect and art historian Floé Kühnert (born 1984), German pole vaulter Kevin Kühnert (born 1989), German politician Phenix Kühnert, German actress and activist Steffi Kühnert (born 1963), German actress
See also Kuhnert