8A

8A, VIII-A or 8a may refer to : and also :
 * Aisle 8A, the 64th episode of the animated situation comedy King of the Hill
 * Bone morphogenetic protein 8A in biochemistry
 * Cyg OB2 -8A, a blue star
 * Greek National Road 8A
 * GCR Class 8A, a class of British 0-8-0 steam locomotive
 * Isotta Fraschini Tipo 8A, a successor to the Tipo 8 model car
 * Massachusetts Route 8A
 * Nevada State Route 8A
 * Secondary State Highway 8A (Washington)
 * Stalag VIII-A, a German prisoners of war camp
 * Atlas Blue IATA airline designator
 * 8(a) Business Development Program a loan program administered by the U.S. Small Business Administration