Senator Larsen may refer to:
- Allan Larsen (1919–2005), Idaho State Senate
- Cliff Larsen (fl. 2000s–2010s), Montana State Senate
- Oley Larsen (born 1964), North Dakota State Senate
- Richard F. Larsen (born 1936), North Dakota State Senate
- Sylvia Larsen (born 1949), New Hampshire State Senate