- Roblin
- Robson
- Roche
- Rochelle
- Alice (between 1878 and 1879 - )
- Rock
- Rodabaugh
- Rodgers
- Rodocker
- Roe
- Rofe
- Roffey
- Roft
- Rogers
- Rogerson
- Roggers
- Rolfe
- Rollett
- Rollings
- Rollins
- Rollinson
- Rollisson
- Rolls
- Rolph
- Rolt
- Romain
- Sarah (1896 - circa 1960)
- Romani
- Romaniuk
- Romberg
- Rommel
- Romoser
- Romp
- Roo
- Rood
- Rooke
- Rooker
- Rookley
- Room
- Rooney
- Rootes
- Roper
- Rorpe
- Rose
- Rosedon
- Rosenthall
- Roser
- Rosevear
- Roshier
- Ross
- Ross-Muller
- Rossel-Ward
- Rosser
- Rossiter
- Rosson
- Roubanis
- Roueche
- Rouncefield
- Round
- Roupe
- Rouse
- Rouswell
- Rout
- Rowberry
- Rowbotham
- Rowbottom
- Rowe