| NAME | YEAR | TEAM | POSITION |
|---|
| Lachemann, Marcel | 1999 | Professional | Pitching Coach |
| 2005 | Professional | Pitching Coach |
| 2006 | Professional (WBC) | Pitching Coach |
| 2007 | Professional | Pitching Coach |
| 2008 | Professional (Olympics) | Pitching Coach |
| 2009 | Professional (WBC) | Pitching Coach |
| 2013 | Professional (WBC) | Pitching Coach |
| 2015 | Professional | Pitching Coach |
| LaCour, Matt | 2012 | 15U | Assistant Coach |
| 2013 | 15U | Assistant Coach |
| LaFevers, Garye | 2004 | 16U | Assistant Coach |
| 2005 | 16U | Assistant Coach |
| 2006 | 16U | Manager |
| 2008 | 16U | Manager |
| 2009 | 18U | Manager |
| 2010 | 18U | Manager |
| Laird, Gerald | 2019 | 18U | Assistant Coach |
| Lane, Charles | 2021 | 15U | Program Director |
| Lane, David | 2013 | 15U | Operations Coordinator |
| Lantz, Mike | 1989 | 18U | Press Officer |
| 1990 | Collegiate | Press Officer |
| 1991 | 18U | Press Officer |
| 1992 | 18U | Press Officer |
| 1993 | Collegiate | Press Officer |
| 1994 | Collegiate | Delegation Head/Business Manager |
| Lantz, Neil | 1988 | 18U | Delegation Head/Business Manager |
| Larkin, Barry | 2009 | Professional (WBC) | Auxiliary Coach |
| Lasorda, Tommy | 2000 | Professional (Olympics) | Manager |
| Lawler, Jim | 2011 | 18U | Assistant Coach |
| 2012 | 18U | Assistant Coach |
| Lawrence, Jim | 1987 | 18U | Certified Athletic Trainer |
| Lawrence, Jimmy | 1988 | Collegiate | Certified Athletic Trainer |
| Lee, Ken | 1995 | Collegiate | Press Officer |
| 1996 | Collegiate (Olympics) | Press Officer |
| Lee, Larry | 2017 | Collegiate | Assistant Coach |
| 2023 | Collegiate | Manager |
| Leggett, Jack | 2018 | 18U | Manager |
| 2019 | 18U | Manager |
| Lett, Jim | 2015 | Professional | Assistant Coach |
| Leyland, Jim | 2017 | Professional (WBC) | Manager |
| Lim, Vincent | 2019 | 18U | Certified Athletic Trainer |
| Linder, Drew | 2017 | Collegiate | Bullpen Coach |
| Lingan, Emma | 2016 | 18U, Women's | Press Officer |
| Lionetti, Chris | 2021 | Collegiate | Director of Player Identification |
| Liotta, Paul | 2015 | 15U | Operations Coordinator |
| Little, Larry | 2005 | Collegiate | Press Officer |
| Litwhiler, Danny | 1984 | Collegiate (Olympics) | Delegation Head/Business Manager |
| Logan, Jay | 1998 | Collegiate | Certified Athletic Trainer |
| Logan, Mason | 2000 | 18U | Press Officer |
| Logan, Nate | 2008 | 14U | Operations Coordinator |
| 2009 | 14U | Program Director |
| 2010 | 14U | Program Director |
| 2011 | 14U | Program Director |
| Lopardo, Nick | 2004 | Women's | Delegation Head/Business Manager |
| Lopez, Norberto | 2006 | 16U | Assistant Coach |
| LoSauro, Tom | 2008 | 14U | Assistant Coach |
