Senator Wells or Welles may refer to:
Members of the United States Senate John S. Wells (1803–1860), U.S. Senator from New Hampshire in 1855 William H. Wells (1769–1829), U.S. Senator from Delaware from 1799 to 1804 and from 1813 to 1817
United States state senate members Andy Wells (American politician) (born 1954), North Carolina State Senate Charles Wells (American politician) (1786–1866), Massachusetts State Senate Erik Wells (born 1967), West Virginia State Senate Frank S. Wells (1865–1958), Nebraska State Senate Franklin G. Welles (1903–1990), Connecticut State Senate George H. Wells (1833–1905), Louisiana State Senate Henry Gordon Wells (1879–1954), Massachusetts State Senate Henry Jackson Wells (1823–1912), Massachusetts State Senate James D. Wells (politician) (1928–2010), Iowa State Senate Martin Welles (1787–1863), Connecticut State Senate Wellington Wells (1868–1954), Massachusetts State Senate William Wells (general) (1837–1892), Vermont State Senate
Members of the Senate of Canada David Wells (politician) (born 1962), Canadian senator from Newfoundland and Labrador since 2013