Lake Ellsworth Addition is a census-designated place (CDP) in Comanche County, Oklahoma, United States.

It was first listed as a CDP prior to the 2020 census.

[2] The CDP is in northern Comanche County, to the northeast of Lake Ellsworth, an impoundment on East Cache Creek, a south-flowing tributary of the Red River.

It sits just north of the lake's Tony Creek inlet.

This Oklahoma state location article is a stub.