Gwinnett County Courthouse, County courthouse in Lawrenceville, United States.

The Gwinnett County Courthouse is a historic courthouse at 185 West Crogan Street in Lawrenceville, Georgia. Built in 1885, it served as the county's administrative center until 1988 and reopened on July 3, 1992, as the Gwinnett Historic Courthouse. It is listed on the National Register of Historic Places.

The courthouse was built in 1885 to replace an earlier courthouse that the Ku Klux Klan burned down in 1871. It remained the seat of Gwinnett County government until 1988, when operations moved to the Gwinnett Justice and Administration Center as the county's population grew from 29,000 in 1940 to 166,000 in 1980. A three-year renovation began in 1989, and the building reopened on July 3, 1992, as the Gwinnett Historic Courthouse. It was listed on the National Register of Historic Places on September 18, 1980.

The building is now rented out for weddings, concerts, conferences and other special events, so visitors may find ceremonies rather than court sessions inside. A Confederate memorial erected outside in 1993, inscribed "1861–1865 Lest We Forget", was removed in February 2021 and placed in storage after the county commission approved the change.

The courthouse stands at 185 West Crogan Street in Lawrenceville, and its grounds are maintained by the Gwinnett County Parks and Recreation Department. The building now operates as a rental venue, so interior access depends on weddings, concerts and conferences booked there; check with the county before planning a look inside.

A Confederate memorial statue erected outside the courthouse in 1993, inscribed "1861–1865 Lest We Forget", stood until February 2021, when it was removed and placed in storage after the George Floyd protests; the Board of Commissioners approved the removal.