- Dr. Henry Kuhn - June 29, 1836-1837 (Tiffin’s First Mayor)
- Gabriel J. Keen - 1838-1842
- Henry Ebbert - March 1842-March 1844
- Gabriel J. Keen - March 1844-April 1845
- Charles F. Dresbach - April 1845-March 1846
- Benjamin Pittinger - March 1846-March 1847
- David E. Owen - March 1847-1848
- John W. Patterson - March 1848-March 1849
- W.D. Searles - March 1849-April 1850
Tiffin and Fort Ball incorporated as one city - 1850
- William Lang - April 1850-1853
- W.M. Johnson - 1853-1854
- R.G. Pennington - 1854-1855
- Daniel Cunningham - 1855-1857
- James M. Patterson - 1857-1859
- William M. Johnson - 1859-1863
- Alfred Landon - 1853-1869
- R. L. Griffith - 1869-1873
- George W. Bachman - 1873-1877
- J.H. Pittinger - 1877-1880
- Harrison Noble - 1889-1883
- J.C. Royer - 1883-1887
- J .F.E. Fanning - 1888-1891
- Rush Abbott - 1892-1896
- Jeremiah Rex - 1897-1899
- James V. Magers - 1900-1903
- Mark L. Leister - 1904-1907
- Joseph C. Arnold - 1908-1913
- Walter K. Keppel - 1914-1915
- Rush Abbott - 1916-1917
- George M. Eidt - 1918-21
- Adolph Unger - 1922-23
- John Dreitzler - 1924-1933 (5 terms)
- Francis W. Kennedy - 1934-1935
- Charles S. Yingling - 1936-1941
- Allen B. Kernan - 1942-1948
- Virgil R. Bennehoff - 1948-1951
- Charles Dedrick - 1952-1953
- Robert Booth - 1954-1957
- Allan Kernan - 1958-1961
- Howard J. Welter - 1962-1965
- Frank Melick - 1966-1967
- Gilmore Lange - 1968-1975
- Thomas Yeager - 1976-1979
- Bill Fruth - 1980-1984
- Thomas L. Yeager - 1986-1988
- David Martein - 1989-1996
- Bernard Hohman - 1996-2007 (Longest serving to now)
- James Boroff - 2008-2011
- Aaron D. Montz - 2012-2022 (Youngest elected)
- Dawn M. Iannantuono - 2022-2024
