Santer is a surname. Notable people with the surname include:
Anna Santer (born 1975), Italian cross-country skier Benjamin D. Santer, climate researcher at Lawrence Livermore National Laboratory Bradley Santer (born 1982), Australian figure skater Diederick Santer (born 1969), British television producer Jacques Santer (born 1937), Luxembourgish politician Mark Santer (born 1936), Anglican bishop Patrick Santer (born 1970), Luxembourgish lawyer and politician for the Christian Social People's Party Saskia Santer (born 1977), Italian biathlete
See also Nathalie Santer-Bjørndalen (born 1972), Italian biathlete