Christiana Carteaux Bannister (née Babcock; 1819–1902) was an American business entrepreneur, hairdresser, and abolitionist in New England. She was known professionally as Madame Carteaux. Christiana was married to successful artist Edward Mitchell Bannister, who she supported financially during the early stages of his career. While Christiana's legacy has been overlooked in the past, coverage of her work in popular sources during the late 2010s has brought new attention to her success and political efforts.