Washington County Sheriff's Office could refer to several sheriffs departments in the United States including:
- Washington County, Alabama Sheriff's Office
- Washington County, Arkansas Sheriff's Department
- Washington County, Colorado Sheriff's Office
- Washington County, Florida Sheriff's Office
- Washington County, Georgia Sheriff's Office
- Washington County, Idaho Sheriff's Office
- Washington County, Illinois Sheriff's Office
- Washington County, Indiana Sheriff's Department
- Washington County, Iowa Sheriff's Office
- Washington County, Kansas Sheriff's Office
- Washington County, Kentucky Sheriff's Office
- Washington Parish, Louisiana Sheriff's Office
- Washington County, Maine Sheriff's Office
- Washington County, Maryland Sheriff's Office
- Washington County, Maine Sheriff's Office
- Washington County, Minnesota Sheriff's Office
- Washington County, Missouri Sheriff's Office
- Washington County, Mississippi Sheriff's Office
- Washington County, Nebraska Sheriff's Office
- Washington County, New York Sheriff's Office
- Washington County, North Carolina Sheriff's Office
- Washington County, Ohio Sheriff's Office
- Washington County, Oklahoma Sheriff's Office
- Washington County, Oregon Sheriff's Office
- Washington County, Pennsylvania Sheriff's Office
- Washington County, Rhode Island Sheriff's Office
- Washington County, Tennessee Sheriff's Office
- Washington County, Texas Sheriff's Office
- Washington County, Utah Sheriff's Office
- Washington County, Virginia Sheriff's Office
- Washington County, Vermont Sheriff's Office
- Washington County, Wisconsin Sheriff's Department
