Costenoble is a German surname. Notable people with the surname include:

Anna Costenoble (1866–1930), German artist (1894–1976), Belgian painter (1837–1907), Austrian sculptor and politician (1766–1838), German judge and politician Johanna Costenoble (1777–1828), German actress Karl Ludwig Costenoble (1769–1837), German actor, director and writer