- Rabb
- Rabiner
- Rabon
- Raburn
- Rade
- Radford
- Ragan
- Ragland
- Rahimzadeh
- Raimi
- Raines
- Rajagopalan
- Ramos
- Ramsey
- Rand
- Raney
- Rankin
- Rao
- Rapoport
- Rasberry
- Rascoe
- Rashdi
- Rasheed
- Ravert
- Ravin
- Ray
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- Raymond
- Raynor
- Reach
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- Reckhow
- Reddin
- Reddrick
- Redick
- Reed
- Reeves
- Regier
- Register
- Reid
- Reisner
- Remington
- Rentrope
- Ressler
- Restani
- Reuss
- Revesz
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- Rhew
- Rhodes
- Rhule
- Ribeiro
- Ribet
- Rice
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- Richards
- Richardson
- Richey
- Richmond
- Rickman
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- Riddle
- Riggs
- Riggsbee
- Rigsbee
- Riley
- Rinaldi
- Ripley
- Rissolo
- Rist
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- Roaquin
- Roberson
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- Robinette
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- Rocamora
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- Rocha
- Roddy
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- Rodgman
- Rodin
- Rodio
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- Roghelia
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- Ronk
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- Rose
- Roseboro
- Rosenberg
- Rosenberger
- Rosenblitt
- Rosiek
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- Rossi
- Rossman
- Rostami
- Rota
- Rothenberger
- Rothwell
- Rouse
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- Rouzer
- Rowe
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- Rowland
- Royal
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- Rozanski
- Rubenstein
- Rubin
- Rubow
- Ruckert
- Ruderman
- Rudolph
- Ruffin
- Rufty
- Runich
- Rusnak
- Russ
- Russell
- Rust
- Rutledge
- Ryals
- Ryan