Haultain is a surname, and may refer to:
Arnold Haultain, British writer Frederick W. Haultain, politician in Canada West Frederick W. A. G. Haultain, premier of the Canadian Northwest Territories and son of Frederick W. Haultain H. E. T. Haultain, Canadian engineer and inventor Lynne Haultain, Australian radio broadcaster Theodore Haultain, New Zealand politician Willem Haultain de Zoete, Dutch admiral
See also Haultain, Saskatoon in Canada, named for Frederick W. A. G. Haultain