| NAME | YEAR | TEAM | POSITION |
|---|
| Radinsky, Scott | 2005 | Professional | Pitching Coach |
| Ramsey, Bryan | 1994 | Collegiate | Press Officer |
| Randall, Tracy | 2004 | Women's | Certified Athletic Trainer |
| Randolph, Willie | 2013 | Professional (WBC) | Assistant Coach |
| 2015 | Professional | Manager |
| 2017 | Professional (WBC) | Assistant Coach |
| 2019 | Professional | Bench Coach |
| Ratcliffe, Brett | 2009 | 14U | Assistant Coach |
| 2010 | 14U | Assistant Coach |
| Ray, Joey | 2016 | 12U | Assistant Coach |
| Reagins, Tony | 2023 | Professional (WBC) | General Manager |
| 2025 | Professional | General Manager |
| Record, Joe | 1973 | Collegiate | Coach |
| Reed, Mark | 2017 | Professional (WBC) | Bullpen Catcher |
| Regan, Phil | 2000 | Professional (Olympics) | Assistant Coach |
| Rhodes, Dusty | 1994 | Collegiate | Assistant Coach |
| 2001 | Collegiate | Assistant Coach |
| Rhodes, Zachary | 2017 | 12U | Press Officer |
| 2018 | Collegiate | Press Officer |
| Ricci, Pat | 1984 | Collegiate | Assistant Coach |
| Righetti, Dave | 2023 | Professional (WBC) | Bullpen Coach |
| Ripken, Bill | 2009 | Professional (WBC) | Assistant Coach |
| Ritchie, Gregg | 2017 | 18U | Assistant Coach |
| 2018 | 18U | Hitting Coach |
| 2019 | 18U | Hitting Coach |
| Ritter, Cory | 2021 | Professional | Assistant Athletic Trainer/Strength & Conditioning |
| Roach, Kevin | 2023 | Professional (WBC) | Video/Scouting |
| 2024 | Professional | Video/Scouting |
| Roberson, Ann Claire | 2021 | 12U | Assistant Director |
| 2022 | Women's | Program Director |
| 2023 | Women's | Program Director |
| 2024 | Women's | Program Director |
| Robinson, Frank | 2003 | Professional | Manager |
| Rodriguez, Eddie | 2000 | Professional (Olympics) | Assistant Coach |
| 2003 | Professional | Assistant Coach |
| 2009 | Professional | Manager |
| Rodriguez, Javy | 2014 | 15U | Assistant Coach |
| 2015 | 15U | Assistant Coach |
| Rodriguez, Steve | 2014 | Collegiate | Assistant Coach |
| Roenicke, Ron | 2024 | Professional | Assistant Coach |
| Romay, Willie | 2009 | 18U | Assistant Coach |
| 2011 | 18U | Assistant Coach |
| Ronai, Jim | 2019 | Professional | Strength & Conditioning |
| 2021 | Professional (Olympic) | Strength & Conditioning |
| Rosenblum, Dan | 2021 | Collegiate | Certified Athletic Trainer |
| Ross, Joe | 1991 | 18U | Assistant Coach |
| 1992 | 18U | Manager |
| Ruiz, Jett | 2017 | Professional (WBC) | Bullpen Catcher |
| Rupp, Terry | 2002 | Collegiate | Assistant Coach |
| Rutledge, Wanda | 1997 | 16U | Program Director |
