| Lamont | C. G. | Glyn, Mt. Helena | U0L and 8B, 21A | 1962 |
| Lamont | Eliza. | Oakbank Ongerup | 8LE | 1924 |
| Lamont | Geo. | (Contractor), Onslow | G5L | 1912 |
| Lamont | Geo. | (Contractor), Onslow | G5L | 1924 |
| Lamont | Harriet | Lot 281, Ongerup | OL5 | 1924 |
| Lamont | J. S. & D. R. | Roe Locs. 1123, 1137, 1138, 1141, 1142, 1143, Holt Rock, via Newdegate | LJ5 and 8B, 84E | 1962 |
| Lamont | James | Euralla, Doodlakine | LQ5 | 1924 |
| Lamont | Neil | Balinda Vale, Brookton | NL3 | 1924 |
| Lamont | R. H. | Fenwick, Katanning | RL4 and 118A, 16B | 1962 |
| Lamp | C. V. | Lot 2 Canning Loc. 15A and 38, Gosnells | C6L | 1962 |
| Lamp | C. W. | Yruringa, Muraduff, via Kojonup | 2CW | 1912 |
| Lamp | C. W. | Yruringa, Muradup | 2CW | 1924 |
| Lampard | B. W. J. | Loc. M. 1277, Waddy Forrest | 3JL and 21C, 53A | 1962 |
| Lampard | N. C. & L. | 15086 and 15102, Kondinin | 9VG and 9B, 26E | 1962 |
| Lampard | S. T. | Loc. No. 1064, North Burracoppin | SL9 and 46D, 28E | 1962 |
| Lampe | Carl H. | Sunnyvale, Kojonup | 2CL | 1912 |
| Lampe | Carl H. | Sunnyside, Kojonup | 2CL | 1924 |
| Lamperd | D. J. | Brigadoon, Northam | DJ4 and 33D, 17E | 1962 |
| Lamperd | J. | Fairview, Yarloop | LJ0 | 1912 |
| Lamperd | J. | Fairview, Yarloop | LJ0 | 1924 |
| Lamperd | M. J. | Tallangatta, Wagin | LA7 and 103D, 17E | 1962 |
| Lamphee | H. | Totadgin | 3LK | 1924 |
| Lamplugh | R. W. | Greylands, Kellerberrin | D5V and 119B, 29A | 1962 |
| Lamzed | Samuel | Yilgarn Loc. 98, Boddalin | QX3 | 1925 |
| Lanagan | A. | Victoria Loc. 3859, 10189 and 10550, Howatharra | A5L and 21B, 9E | 1962 |
| Lanagan | F. | Glenhelen and Legomery, Canna | L6Z and 46C, 67E | 1962 |
| Lancaster | A. M. | Twin Pines, Mollerin | A6L and 119A, 33B | 1962 |
| Lancaster | H. | 2838, 3090, Rosa Glen, via Margaret River | Y7B and 106D, 19E | 1962 |
| Lancaster | R. | Warrawoona, Cranbrook | L7R | 1912 |
| Lancaster | R. | Woodstock, Boyup Brook | R8L | 1924 |
| Lance | E. O. | Huntley Hill, Pingelly | L4E | 1924 |
| Landells | G. W. G | Mill Race Farm, Byford | M4M and 40D, 44E | 1962 |
| Lander | J. P. | Ayr Valley, Narra Tarra | LJ6 | 1912 |
| Lander | J. P. | Ayr Valley, Narra Tarra | LJ6 | 1924 |
| Lander | Kate | Lake View Farm, East Wagin | KL0 | 1912 |
| Lander | Kate | Lake View Farm, East Wagin | KL0 | 1924 |
| Lander | Titus | Bruce Rock | 6TL | 1924 |
| Landers | R. | Murray Loc. 450, Waroona | R2L | 1962 |
| Landor Sq. Co. Pty. Ltd. | - | Landor, Meekatharra | LS1 and 14D, 24E | 1962 |
| Landor Squatting Co. Ltd. | - | Landor Staion via Meekatharra | LS1 | 1927 |
| Landquist | S. E. & P. F. | Oakleigh, York | LQ1 and 3C, 102A | 1962 |
| Landquist | S. F. | Alcocks, Vork | LQ1 | 1924 |
| Landquist Bros. | - | Blocks 16177/74, 16178/74, 16179/74, 28707/55, Nunagin | SL3 | 1912 |
| Landquist Bros. | - | Leases 16177/74, 16178-9/74, 28707/55, Bruce Rock | SL3 | 1924 |
| Lands Department | - | Sabina Vale Stud Farm, Wonnerup | S/|\V | 1962 |
| Landsdell | W. H. | Broadacres, Popanyinning | WL0 and 42D, 36E | 1962 |
| Landsdowne Pastoral Co. | - | Lansdowne Station, via Derby | TQ2 and 25D, 11E | 1962 |
| Landt | Wm. Julius | Anchorhurst, Pingelly | 9YX | 1924 |
| Landwehr | A. J. | Blue Danube, Waroona | 5LZ and 49B, 119E | 1962 |
| Landwehr | C. H. | Lots 15 and 30, Harvey | 5LZ | 1924 |
