Keilhau

Keilhau is a surname. Notable people with the surname include:


 * Carl Keilhau (1919–1957), Norwegian journalist and poet
 * Hans Vilhelm Keilhau (1845–1917), Norwegian artillery officer and politician
 * Louise Keilhau (1860–1927), Norwegian teacher and peace activist
 * Wilhelm Keilhau (1888–1954), Norwegian historian and economist
 * Wollert Keilhau (1894–1958), Norwegian librarian and encyclopedist