The Celina Municipal Court was established in 1958. The following Judges have served in this court:

Honorable Carleton Reiser 1958 – 1963
Honorable Malcolm Wallace 1964 – 1975
Honorable James W. Myers 1976 – November 1979
Honorable Mark V. Klosterman December 1979 – 1980
Honorable Don L. Myers 1981 – October 1985
Honorable James J. Scheer December 1985 – December 2017
Honorable Kathryn W. Speelman – January 2018 –

The Court adjudicates misdemeanor violations and holds initial hearings on many felony matters. It handles civil complaints up to $15,000.00 and small claims complaints up to $6,000.00. The Court has county wide jurisdiction for adults for Mercer County, Ohio.