Halphen

Halphen is a surname. Notable people with the surname include:
 * Éric Halphen (born 1959), French judge
 * Étienne Halphen (1911–1954), French mathematician
 * Eugène Halphen (1820–1912), French historian, poet and book editor
 * Fernand Halphen (1872–1917), French composer
 * Georges Henri Halphen (1844–1889), French mathematician
 * Gustave Halphen (d. 1872), French diplomat
 * Louis Halphen (1880–1950), French medieval-historian
 * Baroness Noémie de Rothschild (1888–1968), born Noémie Halphen, French philanthropist