Keene, Ohio[Image:OHMap-doton-Keene.png|right|Location of Keene, Ohio]Keene is an unincorporated community in central Keene Township, Coshocton County, Ohio, United States. It has a post office with the ZIP code 43828.HistoryKeene was laid out in 1820. A large share of the early settlers being natives of Keene, New Hampshire, caused the name to be selected. A post office called Keene has been in operation since 1825.