Isaac N. Quinn

Isaac N. Quinn (April 24, 1795 in New Haven, Connecticut – June 26, 1865 in San Rafael, CA.) was the Acting Lieutenant Governor of California, 1860–1861.

President pro Tempore, California State Senate (for 17 days; succeeded by Charles J. Lansing) He was a Democrat.

Acting Lieutenant Governor (following succession of John G. Downey to Governor)

Resigned as Lieutenant Governor on January 7.