Edwin Olmstead Keeler (January 12, 1846 in Ridgefield – December 4, 1923) was an American banker and Republican Lieutenant Governor of Connecticut from 1901 to 1903.

[2] He served as President pro tempore of the Connecticut Senate.

He served as a delegate to the Republican National Convention from Connecticut in 1896.

[2] He was the son of Jonah Charles Keeler (1808-1873) and Henrietta Olmstead.

His earliest ancestor in America was Ralph Keeler, one of the founding settlers of Norwalk, who came from England to Hartford, Connecticut in 1640.