Elcho is a town in Langlade County, Wisconsin, United States.

The area is served by the Elcho Fire and Rescue Department.

The town is in the geographical region of Wisconsin known as the Northern Highland.

[1] Upper and Lower Post Lake are in the northeast corner of the town, on the Wolf River.

The Hunting River rises in the northern part of town at Otter Lake next to the community of Elcho and drains the central part of the town before flowing southeast to the Wolf River at Pearson.

30.2% of all households were made up of individuals, and 15% had someone living alone who was 65 years of age or older.