- Radde
- Ragland
- Ragsdale
- Ragucci
- Rahimian
- Rainey
- Ralph
- Ralston
- Ramsey
- Rand
- Randall
- Randolph
- Raney
- Rankin
- Rankins
- Ransom
- Raper
- Rast
- Ratcliffe
- Ratledge
- Ratley
- Ratliff
- Ratts
- Rawls
- Ray
- Rayle
- Raymond
- Readus
- Reasoner
- Reaves
- Recio
- Reddy
- Redoblado
- Redrick
- Reece
- Reed
- Reeder
- Reeners
- Reep
- Reese
- Reesman
- Reeves
- Refieuna
- Register
- Reid
- Reilly
- Reinhart
- Reiser
- Reising
- Reiss
- Reitzell
- Renegar
- Reno
- Renzetti
- Reynolds
- Rheinfurth
- Rhoades
- Rhoden
- Rhodes
- Rice
- Rich
- Richards
- Richardso
- Richardson
- Richerson
- Richmond
- Ricketts
- Rickman
- Rickmeyer
- Ricks
- Riddick
- Riddle
- Rideout
- Ridgell
- Ridings
- Ridley
- Rieben
- Rieder
- Rieger
- Rieser
- Rigdon
- Riggins
- Riggs
- Rigney
- Rigsby
- Riley
- Riner
- Riquelmy
- Risch
- Riser
- Risse
- Rist
- Ritch
- Rithmire
- Ritter
- Rivard
- Roach
- Robateau
- Robb
- Robbins
- Roberson
- Robert
- Roberts
- Robertshaw
- Robertson
- Robinson
- Rochelle
- Rock
- Rodes
- Rodgers
- Rodkey
- Rodrigue
- Roe
- Rogers
- Roland
- Rolf
- Roller
- Rollings
- Roman
- Romano
- Romer
- Romero
- Roney
- Roof
- Roper
- Rorex
- Roscher
- Rose
- Rosenthal
- Rosher
- Ross
- Rossi
- Rostollan
- Roston
- Roth
- Rothe
- Rothermel
- Rothwell
- Roundtree
- Roush
- Rowe
- Roy
- Royster
- Royston
- Rozell
- Rubert
- Ruble
- Rucker
- Rudd
- Ruf
- Rufe
- Ruff
- Ruffer
- Rumore
- Runkle
- Rushing
- Russell
- Rust
- Rutherford
- Rutledge
- Ryals
- Ryan
- Rymer