| Hageman | Wm. | Road View and Line View, Newlands | H2X | 1924 |
| Hagen | E. | Nickalup, Harvey | A0C and 38A, 1C | 1962 |
| Hagerty | J. J. | Clover Hill, Quairading | 3JY | 1924 |
| Hagerty | Mary | Termoy Downs, Kellerberrin | H3K | 1912 |
| Hagerty | Mary | Termoy Downs, Kellerberrin | H3K | 1924 |
| Hagg | A. | Bandawing, M. 1930-1, M.339, Piawaning | 8AH and 20B, 44A | 1962 |
| Haggarth | J. A. S. | Rockvale, Darkan | JS8 and 7D, 34E | 1962 |
| Haggerty | Arthur W. | Stirling, Collie Road, Kojonup | V7U | 1924 |
| Haggerty | E. D. | Woodville Farm, Kojonup | 5HD | 1912 |
| Haggerty | E. D. | Woodville Farm, Kojonup | 5HD | 1924 |
| Haggerty | L. B. | Murrayville, Mardella | 0HY and 40B, 50A | 1962 |
| Haggerty | Leslie H. | Rosemount, Kojonup | 6YL | 1924 |
| Haggerty | R. L. | Kojonup 6640, 5035, 6641, 3483, 5610, 7371, 3602, 4964, 4177, 4174, 5896, 4963, Kojonup | L9H and 31B, 108E | 1962 |
| Haggerty | S. W. | East Lynne, Jingalup | L1H and 50B, 84A | 1962 |
| Haggerty | W. B. | Kojunup | WH2 | 1924 |
| Haggerty | W. H. | Rose Mount Station, Kojonup | H6Y | 1912 |
| Haggerty | W. H. | Rosemount Station, Kojonup | H6Y | 1924 |
| Haggerty & Co. | H. E. | The Rock and Woodville, Kojonup | H6Y and 58F, 17C | 1962 |
| Haggerty & Co. | H. W. | The Clyde, Muradup, via Kojonup | HY0 and 116A, 37B | 1962 |
| Haggerty & Frederick | W. B. | Kojonup | WH2 | 1912 |
| Haggett | F. S. | Nannine | 4FH | 1912 |
| Haggett | F. S. | Nannine | 4FH | 1924 |
| Hagley Pty. Ltd. | - | Hagley, Tammin | SC5 and 45E, 13C | 1962 |
| Hahn | F. A. | 23 Ruby Street, North Perth | 0ZH | 1924 |
| Hahn | S. R. | Avon Locs. 1829, 26872, 15251, 18438, Bolgart | 6ZH and 33C, 107E | 1962 |
| Hahnel | Paul | Pootennup, Tangerrup Siding | PH0 | 1912 |
| Haida | Kohati | Commonage, Wiluna | 9HK | 1912 |
| Haida | Kohati | Commonage, Wiluna | 9HK | 1924 |
| Haig | E. & L. | Kirkarvale, Henley, Carnamah | 20L and 7A, 22C | 1962 |
| Haig & Son | J. C. | La Cuesta, Carnamah | H6H and 28C, 20E | 1962 |
| Haigh | Sydney | Busmith Farm, East Wagin | Z2H | 1912 |
| Haigh | Sydney | Butmith Farm, East Wagin | Z2H | 1924 |
| Haigh | Sydney | Hope Farm, Jilakin, E. Kulin | Z9K | 1924 |
| Haigh | W. A. | Avon Loc. 1423, Nungarin | W8H and 37B, 50E | 1962 |
| Haines | Albert Henry | Kerriemui, Greenbushes | A2H | 1926 |
| Haines | Arthur Norman | The Dale, New-carnie | 7DF | 1924 |
| Haines | C. W. | River Lea, Ambergat via Busselton | A2G and 103B, 43A | 1962 |
| Haines | Chas. | Junction, Gascoyne | C6H | 1912 |
| Haines | Chas. | Junction, Gascoyne | C6H | 1924 |
| Haines | D. E. | Allendale, Nukarni | PP5 and 19C, 37E | 1962 |
| Haines | E. A. | The Point, Bridgetown | K0E | 1924 |
| Haines | E. J. | Lot 11, Avon Loc. 1829, Bolgart | EH6 and 46C, 120E | 1962 |
| Haines | G. | Morningside, Three Springs | HE9 | 1912 |
| Haines | G. | Mornignside, Three Springs | HE9 | 1924 |
| Haines | K. W. | Ashbourne, Bridgetown | KOW and 8D, 33E | 1962 |
| Haines | O. D. | Glendale, Nukarni | 7LX and 116B, 12A | 1962 |
| Haines | Oliver Chas. | Dale Farm, New carnie | PP5 | 1924 |
| Haines | R. H. | 10523, Three Springs | H9R and 41D, 21E | 1962 |
| Haines | R. H. & K. | Victoria Loc. 6753, Three Springs | HE9 and 31D, 6E | 1962 |
| Haines | S. S. | Nelson Loc. 8236, Greenbushes | A2H | 1962 |
