Cleveland County Sheriff's Office is the chief law enforcement agency in Cleveland County, Oklahoma, with primary jurisdiction in the unincorporated areas of the county. Consisting of over 194 employees including deputies, detention staff and support personnel, the Office serves a population of over 275,000 people. The office is headed by Sheriff Chris Amason, a Republican, elected and taking office in November 2020.
Since the establishment of the Cleveland County Sheriff's Office, two deputies have died in the line of duty.