- Raab
- Rabiega
- Racz
- Radilovic
- Radomski
- Radovich
- Rafeedie
- Rafidi
- Raines
- Rakocy
- Ramage
- Ramhoff
- Ramirez
- Ramm
- Ramps
- Ramsey
- Ramson
- Ramun
- Ranalli
- Randall
- Rapovy
- Rappach
- Raptou
- Raseta
- Rast
- Rastaedt
- Ratell
- Ratkowski
- Ratliff
- Rauschenberg
- Rauzan
- Raver
- Rawden
- Raybuck
- Raymer
- Readon
- Reagan
- Reardon
- Rebraca
- Reda
- Redfoot
- Reebel
- Reed
- Reeder
- Reedy
- Rees
- Reese
- Reeves
- Reffner
- Rehak
- Reichert
- Reid
- Reigrut
- Reinard
- Rektor
- Rella
- Remias
- Renfrew
- Renninger
- Rennolds
- Renstrom
- Rentz
- Renzo
- Repaskey
- Repasky
- Repec
- Replogle
- Resch
- Ress
- Restle
- Reto
- Rex
- Reyes
- Reynolds
- Rhinehart
- Rhodes
- Rhody
- Ribarich
- Ricciardulli
- Ricciuti
- Rice
- Rich
- Richard
- Richards
- Richardson
- Richey
- Richmond
- Rickard
- Ricker
- Rickert
- Ricotilli
- Ridarsky
- Rider
- Ridge
- Riebe
- Riefler
- Riel
- Riesen
- Riffle
- Rigby
- Rigley
- Rigney
- Riley
- Rimko
- Rinaldo
- Rindy
- Rinehart
- Ring
- Ringer
- Ripple
- Riser
- Rish
- Ritter
- Rittmaier
- Rivers
- Riwniak
- Rizzi
- Rizzo
- Robenolt
- Rober
- Roberts
- Robertson
- Robinson
- Roby
- Roche
- Rock
- Rockhold
- Rodesky
- Rodgers
- Rodino
- Rodriguez
- Rodway
- Roesti
- Rogenski
- Rogers
- Rogich
- Rogolino
- Rohan
- Rohrbaugh
- Rokicki
- Rolland
- Roman
- Romanko
- Romano
- Romeo
- Romero
- Ronci
- Roncone
- Rongone
- Rook
- Rosace
- Rose
- Rosko
- Rosky
- Ross
- Rossetti
- Rossi
- Rostan
- Roth
- Rothman
- Rouser
- Roussel
- Roussos
- Rovnak
- Rowe
- Rowland
- Rozich
- Rozzi
- Rubbo
- Rubicky
- Rubino
- Rucci
- Rucker
- Rudler
- Rudnicki
- Ruess
- Ruff
- Ruffalo
- Ruggieri
- Ruggiero
- Ruggles
- Rumbaugh
- Runion
- Runyan
- Rupert
- Ruscak
- Ruse
- Rush
- Rushton
- Rushwin
- Rusnak
- Russell
- Russo
- Rutana
- Ryan
- Rzonsa