Senator Walsh may refer to:
Members of the United States Senate Arthur Walsh (U.S. senator) (1896–1947), U.S. Senator from New Jersey from 1943 to 1944 David I. Walsh (1872–1947), U.S. Senator from Massachusetts from 1926 to 1947 John Walsh (Montana politician) (born 1960), U.S. Senator from Montana from 2014 to 2015 Patrick Walsh (Southern U.S. politician) (1840–1899), U.S. Senator from Georgia from 1894 to 1895 Thomas J. Walsh (1859–1933), U.S. Senator from Montana from 1913 to 1933
United States state senate members Gina Walsh (born 1957), Missouri State Senate Jack Walsh (politician) (fl. 2010s), Delaware State Senate John Carroll Walsh (1816–1894), Maryland State Senate John Jackson Walsh (1871–1949), Massachusetts State Senate John M. Walsh (born 1940), Iowa State Senate Larry Walsh (1948–2020), Illinois State Senate Marian Walsh (born 1954), Massachusetts State Senate Maureen Walsh (born 1960), Washington State Senate Mike Walsh (politician) (fl. 2020s), South Dakota State Senate Patrick Walsh (Michigan politician) (1892–1978), Michigan State Senate Patrick Walsh (Wisconsin politician) (1830–1888), Wisconsin State Senate R. Jay Walsh (1854–1916), Connecticut State Senate Richard A. Walsh (1930–2005), Illinois State Senate Thomas J. Walsh (New York politician) (1892–1955), New York State Senate William E. Walsh (Oregon politician) (1903–1975), Oregon State Senate