Walter Garfield Agler (April 2, 1880 – March 3, 1944) was an American politician from Ohio.

He studied at schools in Wilmot and attended Mount Union College.

[1][3] Agler was central committeeman for Sugar Creek Township.

In November 1943, Agler was re-elected as mayor, but resigned due to illness.

He died of a cerebral hemorrhage in an ambulance en route to the Massillon City Hospital.