Groom Surnames: Rontiris – Ropenus
- Rontiris (5)
- Rontondo (1)
- Rontris (2)
- Rontz (1)
- Ronus (1)
- Rony (6)
- Ronyet (1)
- Ronza (1)
- Ronzetti (1)
- Ronzillo (1)
- Ronzino (8)
- Ronzitti (3)
- Ronzo (12)
- Ronzo, Jr. (1)
- Ronzoni (7)
- Roo (5)
- Roob (1)
- Rooberg (2)
- Roobs (1)
- Roochvarg (1)
- Roocke (1)
- Rood (24)
- Rood Jr. (1)
- Roodal (6)
- Roodberg (1)
- Roode (9)
- Roodenberg (2)
- Roodenburg (2)
- Roodenrys (1)
- Rooder (2)
- Roodin (2)
- Roodman (9)
- Roodneshin (1)
- Roody (2)
- Roof (10)
- Roof Jr (2)
- Roofe (3)
- Roofeiim (1)
- Roogow (1)
- Roohan (4)
- Roohan Jr (1)
- Rooher (1)
- Rook (24)
- Rook Iii (1)
- Rookard (3)
- Rookard Jr (1)
- Rooke (9)
- Rooke Cumberbatch (2)
- Rooke Jr (1)
- Rooke, Jr (2)
- Rooke-Ley (1)
- Rookhill (1)
- Rooks (48)
- Rooks Jr. (2)
- Rooks, Jr. (1)
- Rookwood (26)
- Rookwood Jr. (2)
- Roole (2)
- Room (7)
- Rooman (1)
- Roome (13)
- Roome Jr (1)
- Roome Jr. (2)
- Roomes (3)
- Roomet (1)
- Roomey (4)
- Roomi (4)
- Roomkin (1)
- Rooms (4)
- Roon (1)
- Roonce (1)
- Roonchareon (3)
- Roond (2)
- Rooney (522)
- Rooney Iii (2)
- Rooney Jr (2)
- Rooney Jr. (1)
- Rooney, Jr. (1)
- Roongrojana (2)
- Roongsri (1)
- Roongthana (2)
- Roongthanachikul (1)
- Roonprapunt (2)
- Roop (5)
- Roopa (3)
- Roopal (2)
- Roopan (8)
- Roopan, Jr. (1)
- Roopani (3)
- Roopchan (12)
- Roopchand (67)
- Roopchansingh (3)
- Roopehand (1)
- Roopharine (1)
- Rooplal (48)
- Rooplall (12)
- Roopnarain (10)
- Roopnaraine (6)
- Roopnarine (134)
- Roopnarive (1)
- Roopnauth (6)
- Roopram (10)
- Roopraman (1)
- Roopsingh (4)
- Rooriguez (1)
- Roors (1)
- Roos (73)
- Roos Jr (3)
- Roos Jr. (1)
- Roosa (6)
- Roosa Jr (1)
- Roosberg (2)
- Roosburg (2)
- Roose (5)
- Roosen (9)
- Roosevelt (21)
- Roosevelt Ii (1)
- Roosevelt Jr (2)
- Roosild (1)
- Roosna (3)
- Roossin (2)
- Roost (1)
- Root (80)
- Root 2nd (1)
- Root Ii (1)
- Root Iii (1)
- Root Jr (2)
- Root Jr. (1)
- Roote (1)
- Rootenberg (6)
- Rootes (2)
- Roothaan (1)
- Roothier (1)
- Roots (20)
- Rootstein (3)
- Roova (1)
- Roowala (4)
- Rooz (4)
- Roozen (2)
- Roozer (1)
- Roozmon (1)
- Rop (1)
- Ropa (1)
- Ropas (6)
- Ropas, Jr. (1)
- Ropdriguez (1)
- Rope (2)
- Rope Jr. (1)
- Ropek (1)
- Ropela (1)
- Ropell (3)
- Ropenus (2)