R
- Dick Radatz
- Dave Rader
- Chuck Rainey
- Hanley Ramírez
- Manny Ramírez
- Ramón Ramírez
- Pat Rapp
- Jeff Reardon
- Johnny Reder
- Josh Reddick
- Jerry Reed
- Jody Reed
- Pokey Reese
- Bobby Reeves
- Bill Regan
- Wally Rehg
- Dick Reichle
- Mike Remlinger
- Win Remmerswaal
- Jerry Remy
- Steve Renko
- Bill Renna
- Edgar Rentería
- Jason Repko
- Rip Repulski
- Carlos Reyes
- Dennys Reyes
- Carl Reynolds
- Gordon Rhodes
- Karl Rhodes
- Hal Rhyne
- Jim Rice
- Woody Rich
- Dustin Richardson
- Jeff Richardson
- Al Richter
- Joe Riggert
- Topper Rigney
- Ernest Riles
- Allen Ripley
- Walt Ripley
- Pop Rising
- David Riske
- Jay Ritchie
- Luis Rivera
- Dave Roberts
- Billy Jo Robidoux
- Aaron Robinson
- Floyd Robinson
- Jack Robinson
- Mike Rochford
- Bill Rodgers
- Carlos Rodríguez
- Frankie Rodríguez
- Steve Rodríguez
- Tony Rodríguez
- Billy Rogell
- Lee Rogers
- Garry Roggenburk
- Billy Rohr
- Red Rollings
- Ed Romero
- J. C. Romero
- Mandy Romero
- Niuman Romero
- Kevin Romine
- Vicente Romo
- Buddy Rosar
- Brian Rose
- Si Rosenthal
- Buster Ross
- Cody Ross
- David Ross
- Braggo Roth
- Jack Rothrock
- Rich Rowland
- Stan Royer
- Joe Rudi
- Muddy Ruel
- Red Ruffing
- Pete Runnels
- Ryan Rupe
- Allan Russell
- Jack Russell
- Jeff Russell
- Rip Russell
- Babe Ruth
- Jack Ryan (OF)
- Jack Ryan (P)
- Ken Ryan
- Mike Ryan
- Mike Ryba
- Gene Rye
Read more about this topic: Boston Red Sox All-time Roster