Wayne Morse (1900–1974) was a U.S. Senator from Oregon from 1945 to 1969. Senator Morse may also refer to:
Allen B. Morse (1837–1921), Michigan State Senate Chuck Morse (born 1960), New Hampshire State Senate Elmer D. Morse (1844–1921), Wisconsin State Senate Frank Morse (Oregon politician) (fl. 1970s–2010s), Oregon State Senate Isaac E. Morse (1809–1866), Louisiana State Senate John F. Morse (1801–1884), Ohio State Senate John Morse (Colorado politician) (born 1954), Colorado State Senate Stanford Morse (1926–2002), Mississippi State Senate Steven Morse (politician) (born 1957), Minnesota State Senate