Lienau

Lienau is a German language habitational surname for someone from any of various places called Lienow. Notable people with the name include:
 * Detlef Lienau (1818–1887), German architect
 * Jacob August Lienau (1854–1906), American architect
 * Marianne Lienau (1935–2021), German presenter, radio journalist and contributing editor
 * Robert Lienau (1838–1920), German music publisher