- Rabi
- Rabin
- Rabinovici
- Rabionet
- Racho
- Racine
- Racines
- Radell
- Radencich
- Radix
- Radler
- Rae
- Rafalowski
- Raff
- Raffo
- Rafuls
- Ragan
- Ragin
- Ragland
- Rahming
- Raimondi
- Rainbow
- Raines
- Rakofsky
- Ramdeen
- Ramdhan
- Ramdial
- Ramil
- Ramirez
- Ramjattan
- Ramnarine
- Ramnath
- Ramos
- Rampersad
- Ramsamooj
- Ramsay
- Ramsdell
- Ramsey
- Ramsingh
- Ramunas
- Ramundo
- Rana
- Ranallo
- Randall
- Randolph
- Rangel
- Rangel-Diaz
- Raphael
- Rapkin
- Raposo
- Rapoza
- Rapp
- Rappaport
- Rasco
- Rascon
- Rashas
- Raskin
- Rassner
- Rathburn
- Raticoff
- Ratner
- Raucci
- Raudales
- Ravelo
- Ravich
- Rawls
- Ray
- Raye
- Razavilar
- Reach
- Read
- Readon
- Real
- Realini
- Reams
- Reason
- Reboredo
- Reboyro
- Rechtman
- Recio
- Reczek
- Reddick
- Redhead
- Redik
- Reding
- Redlhammer
- Redmond
- Redolta
- Redondo
- Reed
- Reeder
- Reese
- Regal
- Regalado
- Regan
- Regidor
- Register
- Rego
- Reguera
- Rehman
- Reichle
- Reid
- Reilly
- Reily
- Reimondez
- Reina
- Reinaldo
- Reinhold
- Reiss
- Rejo
- Remon
- Remy
- Renaud
- Rendon
- Renick
- Reno
- Renshaw
- Renteria
- Reque
- Requejo
- Reskin
- Restani
- Restrepo
- Retamar
- Retchin
- Revere
- Revilla
- Revuelta
- Rey
- Reyes
- Reynolds
- Rezende
- Rhaney
- Rhode
- Rhymestine
- Riach
- Rial
- Riano
- Ribas
- Ribiero
- Ricardo
- Rice
- Rich
- Richard
- Richards
- Richardson
- Richman
- Richmond
- Richter
- Rico
- Ricossa
- Ricot
- Riemer
- Riera
- Riestra
- Rifas
- Riffle
- Rifkin
- Rigaud
- Rigby
- Riggan
- Riggsbee
- Rignack
- Rigo
- Rigual
- Riguero
- Rijo
- Rikman
- Riley
- Rima
- Rinaldi
- Rincon
- Rios
- Riou
- Ripoll
- Riquene
- Ristine
- Ritsema
- Ritter
- Riusech
- Rivas
- Rivera
- Rivero
- Riverol
- Riveron
- Rives
- Rivet
- Rizo
- Roach
- Robaina
- Robau
- Robayna
- Robbins
- Robboy
- Roberson
- Robert
- Roberts
- Robinson
- Robison
- Robles
- Roca
- Rocha
- Roche
- Rockhead
- Rockowitz
- Rodak
- Roddy
- Rodes
- Rodezno
- Rodgers
- Rodiles
- Rodridguez
- Rodrigues
- Rodriguez
- Roesch
- Roger
- Rogers
- Rohan
- Rohde
- Roig
- Roiter
- Rojas
- Rojo
- Roker
- Roland
- Roldan
- Roles
- Rolle
- Rollston
- Rolon
- Romagosa
- Roman
- Romanach
- Romano
- Romay
- Romer
- Romero
- Romeu
- Romulus
- Ron
- Ronay
- Ronchetto
- Ronconi
- Ronen
- Ronquillo
- Roof
- Rooks
- Roos
- Root
- Ropeik
- Roque
- Roquedeescobar
- Ros
- Rosa
- Rosales
- Rosario
- Rosas
- Roscio
- Roscon
- Rose
- Rosell
- Rosen
- Rosenberg
- Rosenblatt
- Rosenbloom
- Rosenburg
- Rosenfeld
- Rosengarten
- Rosenhaus
- Rosenkoff
- Rosenkrantz
- Rosenkranz
- Rosenn
- Rosenson
- Rosenstein
- Rosenstock
- Rosenthal
- Roslund
- Rosner
- Rosofsky
- Ross
- Rossbach
- Rossi
- Rossie
- Rossique
- Rossman
- Rostant
- Rosthal
- Roston
- Rosuello
- Rotella
- Rotenberg
- Roteta
- Roth
- Rothenberg
- Rothman
- Rouco
- Roujansky
- Rouland
- Roulhac
- Roumains
- Roundtree
- Roura
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- Roversi
- Rovirosa
- Rowe
- Rowett
- Rowsey
- Royce
- Royes
- Royster
- Rozas
- Rozencwaig
- Ruah
- Ruano
- Rub
- Rubach
- Rubel
- Ruben
- Rubenstein
- Rubi
- Rubiano
- Rubin
- Rubinfeld
- Rubino
- Rubinstein
- Rubio
- Rubira
- Ruche
- Rudd
- Rudenberg
- Rudin
- Rudolph
- Rueda
- Ruel
- Ruffe
- Ruffin
- Rug
- Ruggles
- Ruiseco
- Ruiz
- Rumfeldt
- Rummel
- Rumph
- Rupert
- Rupnarine
- Rupp
- Ruppel
- Ruschmeyer
- Rush
- Rusinko
- Russell
- Russmetes
- Russo
- Russomanno
- Rust
- Ruth
- Rutherford
- Ruxton
- Ryan
- Ryzman