Jefferson County Courthouse
Jefferson County Courthouse or variation prefaced with Old may refer to:

 Jefferson County Courthouse (Bessemer, Alabama), a contributing building in the Downtown Bessemer Historic District, listed on the National Register of Historic Places (NRHP)
 Jefferson County Courthouse (Birmingham, Alabama)
 Jefferson County Courthouse (Pine Bluff, Arkansas), a contributing building in the NRHP-listed Pine Bluff Commercial Historic District
 Jefferson County Courthouse (Monticello, Florida), a contributing building in the NRHP-listed Monticello Historic District
 Jefferson County Courthouse (Louisville, Georgia), NRHP-listed
 Jefferson County Courthouse (Rigby, Idaho), NRHP-listed
 Jefferson County Courthouse (Illinois)
 Jefferson County Courthouse (Iowa), NRHP-listed
 Louisville Metro Hall, formerly known as Jefferson County Courthouse, in Louisville, Kentucky
 Jefferson County Courthouse Annex, Louisville, Kentucky
Old Jefferson Parish Courthouse, Gretna, Louisiana, NRHP-listed in Jefferson Parish
 Jefferson County Courthouse (Boulder, Montana), NRHP-listed
 Jefferson County Courthouse (Nebraska), listed on the NRHP in Fairbury, Nebraska
 Jefferson County Courthouse Complex, Watertown, New York, NRHP-listed
 Jefferson County Courthouse (Ohio), 1874-built
 Jefferson County Courthouse (Oklahoma), listed on the NRHP in Waurika, Oklahoma
 Jefferson County Courthouse (Texas), 1931-built and NRHP-listed
 Jefferson County Courthouse (Port Townsend, Washington), NRHP-listed
 Jefferson County Courthouse (Charles Town, West Virginia), 1808-built and NRHP-listed