Senator Larson may refer to:
- Anton Larson (1873–1965), North Dakota State Senate
- Cal Larson (born 1930), Minnesota State Senate
- Chris Larson (born 1980), Wisconsin State Senate
- Chuck Larson (born 1968), Iowa State Senate
- Dan Larson (politician) (born 1965), Minnesota State Senate
- Diane Larson (fl. 2010s), North Dakota State Senate
- John B. Larson (born 1948), Connecticut State Senate
- Lane Larson (born 1957), Montana State Senate
- Morgan Foster Larson (1882–1961), New Jersey State Senate
- Richard R. Larson (Wyoming politician) (born 1928), Wyoming State Senate
- Tim Larson (born 1958), Connecticut State Senate
- Tyson Larson (born 1986), Nebraska State Senate