Oliver Andrew Morse (March 26, 1815 – April 20, 1870) was an American politician and attorney.

[2] Morse attended Hamilton College in Clinton, New York, graduating in 1833.

[5][4] While at Hamilton, he was a founding member of the Alpha Delta Phi Literary Society in 1832.

[1] Morse was admitted to the bar and practiced law in Perryville, Ohio.

[1] Morse invested in several real estate ventures in Ohio, Michigan, and Wisconsin.