| Asplin | George | Nannup, Lower Blackwood | G7A | 1924 |
| Asplin | John Watford | Commonage, Meekatharra | Z6W | 1924 |
| Asplin | P. H. | Rose Valley, Nannup | TZ5 and 25D, 36E | 1962 |
| Asplin | R. B. & G. N. | Springvale, Bridgetown | B2C and 26D, 30E | 1962 |
| Asplin | Thomas | Rose Valley Farm, Nannup | TZ4 | 1924 |
| Asprey | A. | Korrelocking | A3Y | 1924 |
| Asprey | Leo. | Nadagine River, Nullagine | ZX5 | 1912 |
| Asprey | Leo. | Nudagine River, Nullagine | ZX5 | 1924 |
| Assula | Kahn | Leonora | 0AN | 1924 |
| Assula | Khan | Leonora | 0AN | 1912 |
| Astbury | D. S. & M. | 4060-2, 8746, 4004, 7663, 11439, 4239, Toolibin | S7B and 19D, 102E | 1962 |
| Astbury | D. T | Blocks 16971/74, 17788/56, East Narrogin | D8A | 1924 |
| Astbury | J. | Mauna Park, Harrismith | 1JA and 18D, 48E | 1962 |
| Astbury | W. | Nodgeraling, Harrismith | D8A and 15C, 17A | 1962 |
| Astill | C. D. | 3834, 4742, Albany | 2AV and 37D, 107E | 1962 |
| Astone | l. | A. A. 129, Harvey | 5LA and 105B, 111E | 1962 |
| Atherden | F. C. | Ennerdale, Kelmscott | FA1 | 1912 |
| Atherden | F. C. | Ennerdale, Kelmscott | FA1 | 1924 |
| Atherden | Jas. L. | Preston A. A. Lot 334, Lowden | Q4A | 1924 |
| Atherden | L. N. | Moonberin, Benger | N4U | 1924 |
| Atherley | J. B. | Wattle Flat, Riverton | J1X | 1962 |
| Atherton | E. J. | Yallambee, Wagin | EJ6 and 25B, 5A | 1962 |
| Atherton | J. | Fullwood, Lowden | 4JA and 17C, 14A | 1962 |
| Atherton | R. E. | Yarooka, Yarwongup, via Williams | 0TA and 13C, 19E | 1962 |
| Atherton | T. E. | Yarooka, Tarwonga | 0TA | 1912 |
| Atherton | T. E. | Yarooka, Tarwoonga | 0TA | 1924 |
| Atherton | V. D. | Cowarup Hill, Australind | AV4 and 80D, 4E | 1962 |
| Atherton & Son | J. L. | Block 294, Lowden | ZA4 and 16C, 14A | 1962 |
| Atkin | Arthur Joseph | Kondinin | 3YA | 1924 |
| Atkin | S. H. | 3582, 2516, 6151, Lower Kalgan | SH8 and 113B, 12A | 1962 |
| Atkins | A. J. | Glenville Farm, Gillingarra | 2AQ | 1962 |
| Atkins | Arthur Fred Roden | Dumberning; Narrogin | FJ1 | 1926 |
| Atkins | D. J. & O. A. | 1154-5, Lake Varley | DW7 and 27D, 30E | 1962 |
| Atkins | E. C. | Kuanua, N. Dandalup | MF0 and 12C, 112A | 1962 |
| Atkins | F. C. | Glenmore, Coolup | FA4 and 26B, 111E | 1962 |
| Atkins | J. H. | Avon Loc. 63, South Kunjinn, via Wickepin | 3AU | 1924 |
| Atkins | J. R. | Victoria Plains, Mogumber | 5JA and 14B, 27E | 1962 |
| Atkins | John | Black Wattle Flat, Walebing | 5JA | 1912 |
| Atkins | John | Black Wattle Flat, Walebing | 5JA | 1924 |
| Atkins | T. A. | Roc. Loc. 1532, Lake King | 5TA and 29B, 109A | 1962 |
| Atkins | W. | Bythorne. Dardanup | W7A and 28D, 3E | 1962 |
| Atkins | W. J. | Roe Loc. 1534, Lake King | GA2 and 54F, 35D | 1962 |
| Atkins | Wm. H. | Cherrington, Harvey | 8AZ | 1924 |
| Atkins & Co. | J. L. | Robin Hill, Katanning | A3X and 19B, 115E | 1962 |
| Atkins & Goss | - | Kojonnp | AG1 | 1928 |
| Atkins & Martin | J. E. & G. W. | Dean Martin, Serpentine | JG9 and 109B, 31E | 1962 |
| Atkins Bros. | - | Murgoo, Murgoo | 7AB | 1912 |
| Atkins Bros. | - | Murgoo, Murgoo | 7AB | 1924 |
| Atkins Bros. Pty. Ltd. | - | Murgoo & Mt. Narryer Stations, Cue | 7AB and 67D, 22E | 1962 |
| Atkinson | A. E. | Sussex Loc. 2681, Cowaramup | YV6 | 1962 |
