Nai-Wen Cheng (鄭乃文)
- Bats Right, Throws Right
- Height 6' 4", Weight 212 lb.
- School National Chiayi University
OF-1B Nai-Wen Cheng debuted in the Chinese Professional Baseball League with the Uni-President Lions in 2007, going 8 for 57 with a double and three walks. He was 6 for 28 with 2 walks and 3 doubles in 2008. In 64 games in 2009, Cheng hit .284/.338/.433. He had several key pinch-hits in the 2009 Taiwan Series as his team took the title.