Thad Cochran (1937–2019) was a U.S. Senator for Mississippi from 1978 to 2018. Senator Cochran may also refer to:
Charles F. Cochran (1846–1906), Missouri State Senate James Cochran (New York politician) (1769–1848), New York State Senate James Cochran (North Carolina politician) (1760s–1813), North Carolina State Senate Orville Cochran (1871–1948), Alaska Territorial Senate