Senator Cobb may refer to:
- Amasa Cobb (1823–1905), Wisconsin State Senate
- David Cobb (Massachusetts politician) (1748–1830), Massachusetts State Senate
- George H. Cobb (1864–1943), New York State Senate
- George T. Cobb (1813–1870), New Jersey State Senate
- Rufus W. Cobb (1829–1913), Alabama State Senate
- Stephen A. Cobb (1833–1878), Kansas State Senate
- Thomas W. Cobb (1784–1830), U.S. Senator from Georgia