| Ryan | Ryan D. | New Forrest Station, Greenough | 3RO | 1924 |
| Ryan | S. J. | Avon 12157, North Baandee | R1Y and 37C, 43E | 1962 |
| Ryan | Stephen | Blocks 1478, Bridgetown | 3SR | 1912 |
| Ryan | Stephen | Block 1478, Bridgetown | 3SR | 1924 |
| Ryan | T. J. & P. H. | New Forrest and Ballardoo, Yalgoo | 1AU | 1912 |
| Ryan | T. J. & P. H. | New Forrest and Ballardoo, Yalgoo | 1AU | 1924 |
| Ryan | Thomas | P.L. 2801/102, Meekatharra | TR7 | 1912 |
| Ryan | Thos. | P. L. 2801/102, Meekatharra | TR7 | 1924 |
| Ryan | Thos. | Fitzgerald Street, Northam | ZR5 | 1924 |
| Ryan | Thos. Jas. | Pine Grove Station and Lock Vale Farm, Isseka | 1VA | 1924 |
| Ryan | Thos. Leo. | White Waters, Northampton | X6R | 1924 |
| Ryan | W. | A.117A, Nannup | VR1 | 1962 |
| Ryan | W. H. | Rosendale, Newcastle | 7WR | 1912 |
| Ryan | W. H. | Rosendale, Toodyay | 7WR | 1924 |
| Ryan | Wm. | Model Dairy Farm, Leake Street, Boulder | W3R | 1912 |
| Ryan | Wm. | Model Dairy Farm, Leake Street, Boulder | W3R | 1924 |
| Ryan | Wm. E. | Brookfield, Northampton Line | A6R | 1924 |
| Ryan & Co. | C. F. | Mt. Budd, Minganew | 4RS and 3B, 45A | 1962 |
| Ryan & Son | J. & J. D. | Seymour, Wattle Grove | R0S and 9B, 35A | 1962 |
| Ryan & Sons | C. | River Bends, Kojonup | F2F and 2C, 43E | 1962 |
| Ryan Bros. | - | Springfield, Narrogin | RB1 | 1912 |
| Ryan Bros. | - | Springfield, Narrogin | RB1 | 1924 |
| Rychen | P. | Federal Dairy, Bayswater | 2PR | 1912 |
| Rychen | P. | Federal Dairy, Bayswater | 2PR | 1924 |
| Ryder | Darcy | Teamster, Derby | DR7 | 1924 |
| Ryder | Jas. | Roe Loc. 714, Kondinin | Q2X | 1924 |
| Ryles | Harold | Peak Hill | Z6X | 1924 |
| Ryles | John Harold | Mingah, Peak Hill | L⊚7 | 1926 |
| Ryles & Councillor | J. H. & R. | Jamindie Station, Meekatharra | LZ7 and 4C, 12E | 1962 |
| Rymill Bros. | - | Wooling Pastoral Co. East Murchison | OU1 | 1928 |
| Rymin | Y. G. | Korojon Ka, Yuna, via Geraldton | YR7 and 17D, 117E | 1962 |
| Ryniker | C. A. | Rockbank, Bedfordale | 7CR | 1912 |
| Ryniker | C. A. | Rockbank, Bedfordale | 7CR | 1924 |
