Jon David Smart
- Bats Right, Throws Right
- Height 6' 2", Weight 180 lb.
- School University of Texas at Austin
- High School Westlake High School (Austin)
- Debut April 6, 1999
- Final Game June 30, 2001
- Born November 12, 1973 in San Saba, TX USA
J.D. Smart retired after the 2001 season due to arm injuries and later worked for Hendricks Sports Management.