Washington County Jail or variations may refer to:

in the United States (by state) Washington County Jail (Fayetteville, Arkansas), listed on the NRHP in Arkansas Washington County Jail and Sheriff's Residence (Washington, Kansas), listed on the NRHP in Kansas Washington County Jail and Sheriff's Residence (Salem, Indiana), listed on the NRHP in Indiana Washington County Jail (Maine), Machias, listed on the NRHP in Maine Washington County Jail (Oregon), formerly listed on the NRHP in Oregon, was located in Hillsboro, has been moved, is now in a museum Washington County Jail (Washington, Pennsylvania), listed on the NRHP in Pennsylvania Washington County Jail, Utah (properly, the Purgatory Correctional Facility)