| Armstrong | P. N. | Ning. 2318, 2311. Kalannie | P5A and 11B, 120E | 1962 |
| Armstrong | R. J. | Wm. Loc. 3473, 5476, Narrogin | ER2 and 110D, 14E | 1962 |
| Armstrong | R. V. & V. | Murray Loc. 793, 1209, 1496, Wellington Loc. 535, Lake Clifton | RA4 and 53F, 12C | 1962 |
| Armstrong | Reginald F. | Woodhouse Farm, Kojonup | EA6 | 1924 |
| Armstrong | T. P. | Loc 6184, Nalya | AA3 | 1924 |
| Armstrong | T. R. | Glendhow Town Lot C 1, S. Albany | U0A and 110B, 46E | 1962 |
| Armstrong | Thomas | Monument Springs, Donnybrook | TA2 | 1912 |
| Armstrong | Thos. | Menument Springs, Donnybrook | TA2 | 1924 |
| Armstrong | W. G. | Homestead, Bunbury | 9JA | 1912 |
| Armstrong | W. G. | Homestead, Bunbury | 9JA | 1924 |
| Armstrong | W. J. | Block No. 4171, Merredin | W3A | 1912 |
| Armstrong | W. J. | Hope Valley Road, Rockingham | W8A | 1912 |
| Armstrong | W. J. | Block No 4171, Merredin | W3A | 1924 |
| Armstrong | W. J. | Hope Valley Road, Rockingham | W8A | 1924 |
| Armstrong | W. M. | Moorabin, Wondan Hills | 4OA | 1924 |
| Armstrong | W. M. & D. M. | Moorabin, Wongan Hills | 4OA and 55F, 116B | 1962 |
| Armstrong | Walter Joseph | Sussex Location W 94, Margaret River, via Busselton | 9ZP | 1924 |
| Armstrong | Wilfred L. G. | Woolanga, Cranbrook | 0UA | 1924 |
| Armstrong | Wm. J. | Yallingup, via Busselton | AO3 | 1924 |
| Armstrong & Son | C. E. D. | 1145, Bridgetown | 1DD and 10C, 29A | 1962 |
| Armstrong & Son | G. F. | Olveston, E. Pingelly | 2GA and 22D, 84E | 1962 |
| Armstrong Bros. | - | Gregory's Brook, Balingup | A7E | 1912 |
| Arndt | F. H. | 829, 819, 359, Serpentine | 1AQ | 1962 |
| Arndt | Franz Louis | Sub. div. 743, Midland Railway, Three Springs | 1AQ | 1924 |
| Arney | C. G. & D. M. | Plant 4794, Narrikup | C5A and 54F, 37B | 1962 |
| Arney | R. M. | Hay Loc. 1545, 1548, Denmark | X7C and 110D, 25E | 1962 |
| Arnold | C. L. | Gibbs Street, Cannington | N1A | 1924 |
| Arnold | C. L. | Loc. 284 Lots 59-60, Lot 32, Lesmurdie | M1A | 1962 |
| Arnold | Frederick | Barnes Place, Warren River, via Manjimup | FA7 | 1924 |
| Arnold | I. C. | Darilla, Bruce Rock | BA2 and 47B, 44E | 1962 |
| Arnold | J. | Bocanning Land, Baandee | A5X | 1924 |
| Arnold | J. & N. | Beria, Wialki | FA7 and 18B, 84A and 84A, 18B | 1962 |
| Arnold | Joseph Thomas | Fern Hill, Blackwood Road, Mt. Barker | 5TA | 1924 |
| Arnold | L. B. | 1468, Corrammee Downs, Esperance | L8A and 16C, 30A | 1962 |
| Arnold | N. H. | Selsey Downs, Kojonup | N7A and 38D, 120E | 1962 |
| Arnold | R. J. | Avoca, E. Cannington | R4A | 1962 |
| Arnold | W. M. | Manor Farm, Bruce Rock | WA2 and 37D, 19E | 1962 |
| Arnott | G. | Bethaney, Balbarrup | 1CZ | 1912 |
| Arnott | Guy Harold | Bethaney, Balbarrup | 1CZ | 1924 |
| Arnott | J. A. | Clifton, Manjimup | H5K and 116B, 16E | 1962 |
| Arnott | J. W. M. | Iowna Farm, Pemberton | EJ8 and 12C, 44E | 1962 |
| Arnott | James | Sunnyside, E. Brookton | JA6 | 1912 |
| Arnott | Jas. | Sunnyside, East Brookton | JA6 | 1924 |
| Arnott | John | Locations 2375 and 2376, Manjimup | AZ5 | 1924 |
| Arnott | M. M. & L. | Melbourne 2613, 3025, Piawaning | M5A and 12B, 17A | 1962 |
| Arranooka | - | Arranooka, Canna | KK6 and 35B, 23E | 1962 |
| Arrow & Sons | M. (Mrs) | Marlow, Koorda | JA6 and 19C, 42A | 1962 |
| Arsen | Leonard | Locations 17615, C.L. 6508/12, 31933/55, 6506/12, 7767/8, 6507/12, Lease 14868/74, Corrigin | Y5A | 1924 |
| Arthur | D. R. | 3629, Rosa Brook | S2A and 31B, 40E | 1962 |
| Arthur | E. J. | Location 14737, Baandee | 8UV | 1924 |
