The 1999 NASCAR Busch Series began on February 13 and ended on November 13. Dale Earnhardt Jr. of Dale Earnhardt, Inc. won the season points championship for the second year in a row.

Ralph Dale Earnhardt Jr. is an American stock car racing driver, team owner and broadcaster. A third generation driver, he is the son of 7-time NASCAR Cup Series champion Dale Earnhardt and relative to many former and current drivers in the NASCAR ranks. Since retiring from full-time competition after the 2017 season, he has competed part-time in the NASCAR Xfinity Series, driving the No. 88 Chevrolet Camaro for his JR Motorsports team.