Byron Lee Tunnell
- Bats Right, Throws Right
- Height 6' 1", Weight 180 lb.
- School Baylor University
- High School Anderson High School (Austin)
- Debut September 4, 1982
- Final Game June 22, 1989
- Born October 30, 1960 in Tyler, TX USA
Lee Tunnell spent three seasons in Japan (1991-1993), then returned to the states and spent two years in the minors, including part of 1995 in Mexico.
Tunnell was the pitching coach for the Pulaski Rangers in 1997, Charlotte Rangers in 1998, Tulsa Drillers in 1999, and Oklahoma RedHawks in 2000-2002. He was the Texas Rangers' minor league pitching coordinator in 2003-2004, and returned to Oklahoma City in 2005.
Tunnell was slated to be the Louisville Bats pitching coach in 2006, but was named Cincinnati Reds interim bullpen coach for the season to fill in for Tom Hume, who was interim pitching coach in place of Vern Ruhle, who was ill.
In 2011, Tunnell was the Milwaukee Brewers' roving pitching coordinator. In 2013, he was named the team's bullpen coach, succeeding Stan Kyles. He was let go after the 2018 season. He moved back to the Cincinnati Reds as bullpen coach in 2019, staying until the end of the 2022 season.