Wendelin is an unincorporated community in Mercer County, in the U.S. state of Ohio.[1]
A post office called Wendelin was established in 1883, and remained in operation until 1904.[2] Besides the post office, Wendelin has a Catholic church.[3]
40°23′57″N 84°41′24″W / 40.39917°N 84.69000°W / 40.39917; -84.69000