Seldon Connor (January 25, 1839 – July 9, 1917) was an American soldier, banker, and politician who was the 35th Governor of the U.S. state of Maine.

Seldon Conner was born in Fairfield, Maine, and in 1859 graduated at Tufts College, as well as studying law in Vermont.

Following the outbreak of the American Civil War, Connor entered the military service in May 1861 as a private in the 1st Vermont Infantry, but became ill with chronic catarrh, recovering the following winter.

During his time in politics, Connor advocated civil service reform, and supported the resumption of specie payments.

Connor remained a prominent figure in Maine politics, and also served as president of the Northern Banking Company.