| Roughan | Margaret G. | Doctors Farm, Williams | M2R | 1912 |
| Roughan | Margaret G. | Doctors' Farm, Williams | M2R | 1924 |
| Roulston | E. W. | Dudley Farm 2767, 111, Kronkup | E3R and 14B, 13E | 1962 |
| Roulston | Jas. H. | Pine Hill, Kronkup | KR9 | 1924 |
| Roulston & Horn | - | Longwood Farm, Nungarin | RQ9 | 1924 |
| Rourke | H. J. | Wattledell, Moonie's Hills | B3R | 1912 |
| Rourke | H. J. | Wattledell, Moonie's Hills | B3R | 1924 |
| Rouse | Henry | Harvey River, Onslow | 4HR | 1912 |
| Rouse | Hy. | Harvey River, Onslow | 4HR | 1924 |
| Rouse | Jas. Wm. | Mt. Lofty, Kalamunda | RZ9 | 1924 |
| Rousledge Morris & Wills | - | Pinnacles, Lawlers | XR1 | 1912 |
| Rousset | R. & J. | Mont-Choisy, Wanneroo | 9JR and 118D, 67E | 1962 |
| Rout | A. N. | Allendale, Borden | AR0 and 36D, 27E | 1962 |
| Rout | B. A. | Allendale 2336-7 3229 Gnowangerup | Q5A and 35B, 27A | 1962 |
| Rout | Bertie Allen | Allendale Farm | Q5A | 1924 |
| Rout & Co. | A. W. | Ivanhoe, Borden | 7RT and 34B, 19E | 1962 |
| Routledge | F. H. | Kaluwiri, Okabella via Geraldton | R7H and 10C, 51F | 1962 |
| Row | H. W. | Sostenuto Orchard, Spearwood | R0Z | 1924 |
| Rowan | Christopher H. | The Haven, Yuba, via Northampton | 1SF | 1924 |
| Rowan | Clement | Lot 70, Mandogolup, 7-Mile camp, Peel Estate | D8Q | 1924 |
| Rowan | Clive Hamilton | Locs. 17089 and 17096, Totadgin | 9TK | 1924 |
| Rowan | F. J. | Commonage, Hall's Creek | XR0 | 1924 |
| Rowan | Florence C. | Mooreel, Geraldton | FR9 | 1924 |
| Rowan | M. | Jarrahdale | MR5 | 1924 |
| Rowan | M. A. | Jarrahdale | MR5 | 1912 |
| Rowan | T. K. | Kirami Farm, Nangeenan | 9TK | 1912 |
| Rowan | W. | Adj. Rifle Range, Boulder City | WR7 | 1912 |
| Rowan | W. | adj. Rifle Range, Boulder City | WR7 | 1924 |
| Rowan-Robinson | W. H. | Woodborough. Nelson Loc. 956, Bridgetown | R3Y and 44D, 34E | 1962 |
| Rowbottom | J. F. | Ellerscroft, Avon 2296, Bannister via Williams | Q6R and 28C, 38E | 1962 |
| Rowbottom | James | Ellerscroft, Wandering | Q6R | 1924 |
| Rowbottom | W. | Wayside, Northcliffe | WR4 | 1962 |
| Rowcliffe | J. | Loc. 2761, Forest Grove | 9RA | 1962 |
| Rowe | A. E. | 6202 Victoria Loc. Latham | U5A and 50C, 6A | 1962 |
| Rowe | A. J. J. | Nil Desperandum, Springhurst Mail, Dumbleyung | R7Q | 1924 |
| Rowe | A. W. | Dingo Farm, Jarrahdale | A0R | 1912 |
| Rowe | A. W. | Dingo Farm, Jarrahdale | A0R | 1924 |
| Rowe | C. H. | Malvern, West Kojonup | RW0 and 42C, 3E | 1962 |
| Rowe | C. R. | Eneabba Springs, Three Springs | CR6 and 50D, 15E | 1962 |
| Rowe | F. | Wellington Loc. 3094, 2342, 3513, 4243, Dinninup | JR4 and 6B, 39A | 1962 |
| Rowe | F. J. | Hillcreast, Forest Grove | QP5 | 1962 |
| Rowe | Frederick Walton | Branksome, Kendenup | FR0 | 1928 |
| Rowe | G. H. | Nelson Loc. 1897, Balingup | HR6 and 20C, 84E | 1962 |
| Rowe | H. A. W. | Nelson Loc. 8018, Pemberton | 1HB | 1962 |
| Rowe | H. E. & E. G. | Grass Valley, Beverley | 0ER and 9D, 43E | 1962 |
| Rowe | J. L. | Westvale, M.2007. 1912, Dandaragan | J1R and 49C, 84A | 1962 |
| Rowe | John | Long Gully Farm, Boundain | 2RO | 1924 |
| Rowe | R. J. | Long Gully, Narrogin | 2RO and 51F, 31B | 1962 |
| Rowe | Richard H. | Woodbine Farm, Williams | BW3 | 1925 |
| Rowe | Thomas H. | Takalarup, Kalgan River | R9R | 1912 |
