Lowcountry Regional Airport (IATA: RBW, ICAO: KRBW, FAA LID: RBW) is a public use airport located two nautical miles (4 km) northeast of the central business district of Walterboro, a city in Colleton County, South Carolina, United States.

Initially Walterboro AAF was used primarily for training of B-25 Mitchell medium bomber pilots and aircrews, acting a sub-base of Columbia Army Airfield for follow-on training prior to the units being deployed to overseas combat theaters.

Over 500 of the famed Tuskegee Airmen trained at Walterboro Army Air Field between April 1944 and October 1945 including individuals training as replacement pilots for the 332nd Fighter Squadron and the entire 447th Bombardment Group.

Lowcountry Regional Airport covers an area of 1,400 acres (567 ha) at an elevation of 101 feet (31 m) above mean sea level.

[1] For the 12-month period ending May 19, 2023, the airport had 13,597 aircraft operations, an average of 38 per day: 72% general aviation, 23% air taxi, and 4% military.