Excello is an unincorporated community in central Lemon Township, Butler County, Ohio, United States, on the south side of Middletown.

Remnants of the lock remain as public property owned by the MCD (Miami Conservancy District).

Also in Excello was former Harding-Jones Paper Company plant, which is now closed but is on the National Register of Historic Places.

[2] A post office was opened in Excello on November 10, 1870, but no longer exists.

This Butler County, Ohio state location article is a stub.