| Riegert | H. L. | Harvey A.A. 102-3, Yarloop | 4LH and 6C, 22B | 1962 |
| Riegert | J. M. | SummerFields and Laguna Vista, Yarloop and Esperance | R5T and 17C, 117E | 1962 |
| Rietcher | C. H. | Woodbourne, Bullock Hills | 5CR | 1924 |
| Rieusset | P. S. | Avon 18361-6, Narembeen | 2PR and 6B, 49E | 1962 |
| Rieusset | R. & L. | Cornucopia and Byrine, Narembeen and Mundaring | 0RL and 13C, 107A | 1962 |
| Rigby | H. | Homelands, Avon 23423 and 19891, Yealering | XR2 and 16C, 119A | 1962 |
| Rigby | K. J. & L. D. | Harridale, Yealering | 7KR and 117B, 11A | 1962 |
| Rigby | T. | 18538, Bulyee | T4R and 33C, 49A | 1962 |
| Rigby | W. H. | Forrest Street, Collie | R9M | 1912 |
| Rigby | W. H. | Forrest Street, Collie | R9M | 1924 |
| Rigg | G. E. | 52-3, Harvey | ER8 and 9B, 43E | 1962 |
| Rigg | H. | Blocks 9, 2324, Wellington Loc. 51, Wokalup | MR3 and 116B 7A | 1962 |
| Rigg | Herbert W. | Wokalup, Wokalup | MR3 | 1912 |
| Rigg | Herbert W. | Wokalup | MR3 | 1924 |
| Rigg & Sons | John | Norning, via Wandering | JR9 | 1912 |
| Rigg & Sons | John | Norning, via Wandering | JR9 | 1924 |
| Riggs | H. A. | Plantagenet 886, 5423, 2023, Childlows 2407-8, Albany | RZ1 and 9B, 71E | 1962 |
| Righetti | Frederick | Garden Wall, Cue | R1F | 1912 |
| Righetti | Fredk. | Garden Well, Cue | R1F | 1924 |
| Rignall | Robert | Stony Creek, Yalup Brook | RR6 | 1912 |
| Rigoll | L. | Horseshoe Farm, Wickepin | LR5 | 1924 |
| Rigoll | Leonard | Horseshoe Farm, Wickepin | LR5 | 1912 |
| Rigoll | R. N. J. | The Grove, Mundijong | R4Q | 1924 |
| Riising | K. M. | Yenla, Northcliffe | M8K and 51F, 118D | 1962 |
| Riising | N. B. | Wellington Locs. 2450, 1454, 3689, 2915, 3839, Donnybrook | 2NR and 111B, 80A | 1962 |
| Rijnhart & Son | D. & T. | 15974. 25281, 27053, Meckering | D0R and 34B, 115E | 1962 |
| Riley | B. L. | Avon Locs. 11875, 11941, Trayning | BR4 and 46D, 109E | 1962 |
| Riley | Eric M. | Quarragarra, Moora | 0NR | 1924 |
| Riley | Ernest Geo. | Pollelli Station, Nannine | ZX3 | 1924 |
| Riley | F. A. | Yilgarn Loc. 165, Westonia | ZY5 | 1924 |
| Riley | F. C. | 167, 201, Collie Cardiff | RY3 and 3D, 12E | 1962 |
| Riley | F. F. | Avon Locs 14492 19540, Babakin | FR6 and 45C, 29A | 1962 |
| Riley | H. F. | Glen Ellen, Babakin | 2NM and 32B, 107A | 1962 |
| Riley | H. S. | Longwood, Trayning | 6HS and 11B, 26E | 1962 |
| Riley | J, V. | 6 Robinson Street, Gingin | JV7 | 1912 |
| Riley | J. H. | Avon Locs. 11914, 2452-3, 11893, 11900, Trayning | J4R and 2C, 107A | 1962 |
| Riley | J. V. | 6 Robinson Street, Gingin | JV7 | 1924 |
| Riley | J. V. | Locs. 347, 2432, Gingin | JV7 | 1962 |
| Riley | John | Whitecliffs, Wongan Hills | 0RJ | 1912 |
| Riley | John | White Cliffs, Wongan Hills | 0RJ | 1924 |
| Riley | John Francis | Loc. 15060, Kondinin | R5X | 1924 |
| Riley | L. B. | The Grove, Avon Loc. 11909, Trayning | L1R and 102D, 24E | 1962 |
| Riley | L. B., Shelton, W. O., Dann, H. G.,Shelton, M. A. | The Grove, Kodj Kodjin | L1R | 1912 |
| Riley | Percy | Dorakin | PR6 | 1924 |
| Riley | R. | Ellendale, Taylor's Wall, Pingelly | 3RR | 1912 |
| Riley | R. | Ellendale, Taylor's Well, Pingelly | 3RR | 1924 |
| Riley | W. A. | Juvalyn, Gosnells | W8R and 49C, 50E | 1962 |
| Riley | Wm. A. | Burleith Farm, Dandalup | W8R | 1912 |
| Riley | Wm. A. | Burleith Farm, Dandalup | W8R | 1924 |
| Riley & McDonald | - | Trevallyn, Wanneroo | RM0 | 1912 |
