Senator Irwin may refer to:

• Mitch Irwin (born 1952), Michigan State Senate
• Robert Irwin (North Carolina politician) (1738–1800), North Carolina State Senate
• William Irwin (California politician) (1827–1886), California State Senate

• Senator Erwin (disambiguation)
• Senator Irvin (disambiguation)

This disambiguation page lists articles associated with the title Senator Irwin.
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