R
- Dick Radatz
- Tim Raines
- Santiago Ramírez
- Bobby Ramos
- Wilson Ramos
- Mike Ramsey
- Darrell Rasner
- Steve Ratzer
- Jon Rauch
- Claude Raymond
- Randy Ready
- Britt Reames
- Jeff Reardon
- Tim Redding
- Bob Reece
- Darren Reed
- Howie Reed
- Jeff Reed
- Steve Renko
- Michael Restovich
- Gilberto Reyes
- Bob Reynolds
- Nikco Riesgo
- Brad Rigby
- George Riley
- Bill Risley
- Bombo Rivera
- Juan Rivera
- Luis Rivera
- Saúl Rivera
- Bert Roberge
- Jerry Robertson
- Félix Rodríguez
- Iván Rodríguez
- Henry Rodríguez (OF)
- Henry Rodríguez (P)
- Gary Roenicke
- Steve Rogers
- Mel Rojas
- Tom Romano
- Gene Roof
- Pat Rooney
- Jorge Roque
- Pete Rose
- Kirk Rueter
- Scott Ruskin
Read more about this topic: Washington Nationals All-time Roster