Following is a list of Suffern Police Chiefs from 1896 to the present.
- 1896: William N. Smith
- 1909: David G. Wood
- 1910: William N.Smith
- 1912: John Lidster
- 1914: Arthur R. Schultz
- 1917: John R. Hunter
- 1923: Charles L. Lunney
- 1931: William J. Thornhill (killed in the line of duty)
- 1933: William Whalen
- 1934: Joseph A. Vilord
- 1965: Howard Pearce
- 1971: Richard H. Hasbrouck
- 1983: John E. Morris
- 1989: James E. Flament (acting chief)
- 1990: Leo J. Costa (acting chief)
- 1992: Frank Finch
- 2005: Clarke Osborn
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