- Rackow
- Rademacher
- Rader
- Radford
- Ragland
- Rainey
- Rains
- Rakes
- Ralph
- Ramirez
- Ramsey
- Ramsuer
- Rand
- Randles
- Randolph
- Ranger
- Ransom
- Raphel
- Ratcliff
- Ratcliffe
- Ratliff
- Rawley
- Ray
- Reburn
- Rechtman
- Recklet
- Redd
- Reddy
- Reed
- Reedy
- Reep
- Reese
- Reeves
- Reid
- Reidy
- Reilly
- Reinholtz
- Remaine
- Repass
- Reynard
- Reynolds
- Rheinheimer
- Rhinehart
- Rhoaten
- Rhode
- Rhodes
- Rhymer
- Ribble
- Ricci
- Rice
- Rich
- Richards
- Richardson
- Richert
- Richter
- Riddlebarger
- Ridgway
- Rierson
- Rife
- Riggle
- Riggs
- Rigney
- Riles
- Riley
- Ring
- Ringley
- Ripley
- Rivers
- Roach
- Robbins
- Roberson
- Roberts
- Robertson
- Robinette
- Robins
- Robinson
- Robison
- Roderick
- Rodgers
- Rodriguez
- Rogers
- Roller
- Roman
- Romano
- Romeiser
- Ronk
- Roop
- Rose
- Rosemond
- Rosenberger
- Ross
- Roszak
- Rothrock
- Rouse
- Rowe
- Rowland
- Rowsey
- Rubush
- Rucker
- Rudd
- Rudder
- Rudolf
- Ruffatto
- Rumberg
- Runion
- Runions
- Runyon
- Russell
- Russo
- Rutledge
- Ryan
- Ryder