Aaron Michael Nieckula
- Bats Right, Throws Right
- Height 5' 11", Weight 200 lb.
- School University of Illinois
Catcher Aaron Nieckula was drafted by the Oakland A's in the 22nd round of the 1998 amateur draft. He played four seasons in the minors for the A's (1998-2001) and one for the San Francisco Giants (2002). In 238 minor league games he had a .239/.338/.302 line with 4 HR and 28 SB.