| Keyser | C. | Carpenter and Builder | Albany | 1888 | WA Almanack |
| Keyser | C. | Carpenter and Builder | Albany | 1889 | WA Almanack |
| Keyser | E. | Carpenter | Albany | 1876 | WA Almanack |
| Keyser | E. | Clerk | Albany | 1885 | Herald Almanack |
| Keyser | E. | Clerk Customs | Albany | 1887 | WA Almanack |
| Keyser | E. | Clerk Customs | Albany | 1888 | WA Almanack |
| Keyser | E. | Clerk Customs | Albany | 1889 | WA Almanack |
| Keyser | G. | Carpenter and Builder | Albany | 1887 | WA Almanack |
| Khan | Ahmed | Fancy Goods Warehouse | 167 Barrack Street, Perth | 1897 | Witton's Directory |
| Khight | S. | Late Postmaster (Retired) | Albany | 1879 | Herald Almanack |
| Kidd | A. | Labourer | Busselton, Etc. (Augusta, Etc., Karridale, Boranup & Hamlin) | 1889 | WA Almanack |
| Kidd | J. C. | Forwarding Agent | Geraldton | 1897 | Witton's Directory |
| Kidd | John R. | | Limbo Street, Perth | 1897 | Witton's Directory |
| Kidd | Mrs. | | Lamb Street, Perth | 1897 | Witton's Directory |
| Kidman | C. | Butcher | Bayley Street, Coolgardie | 1897 | Witton's Directory |
| Kidson | C. B. | Mining Manager | Upstairs, Commercial Buildings, Saint George's Terrace, Perth | 1897 | Witton's Directory |
| Kidson | Hon. Alfred | M.L.A. | Adelaide Terrace, Perth | 1897 | Witton's Directory |
| Kidson & Gawler | | Solicitors | Eagle Chambers, 14 Havelock Street, Perth | 1897 | Witton's Directory |
| Kidson & Gawler | | Solicitors & Notaries | Henry Street, Fremantle | 1897 | Witton's Directory |
| Kief | J. | Farmer | Walkaway | 1897 | Witton's Directory |
| Kielly | Mrs. | | Bertram Street, Perth | 1897 | Witton's Directory |
| Kielly | T. | | Cue | 1897 | Witton's Directory |
| Kiely | J. | | Hampton Street, Fremantle | 1897 | Witton's Directory |
| Kiene | Mary | Boarding-House Keeper | Kanowna | 1897 | Witton's Directory |
| Kiene | Theodore | Agent | Kanowna | 1897 | Witton's Directory |
| Kierk | R. | Mariner | Fremantle | 1881 | WA Almanack |
| Kierk | Robt. | Mariner | Fremantle | 1880 | WA Almanack |
| Kierk | Robt. | Mariner | Fremantle | 1881 | WA Almanack |
| Kierk | Robt. | Mariner | Fremantle | 1882 | WA Almanack |
| Kierk | Robt. | Mariner | Fremantle | 1883 | WA Almanack |
| Kierk | Robt. | Mariner | Fremantle | 1884 | WA Almanack |
| Kierk | Robt. | Mariner | Fremantle | 1886 | WA Almanack |
| Kierk | Robt. | Mariner | Fremantle | 1887 | WA Almanack |
| Kierk | Robt. | Mariner | Fremantle | 1888 | WA Almanack |
| Kierk | Robt. | Mariner | Fremantle | 1889 | WA Almanack |
| Kigg | Wm. | | Roebourne | 1897 | Witton's Directory |
| Kight | J | Farmer | York | 1883 | Herald Almanack |
| Kight | J. | Farmer | York | 1882 | Herald Almanack |
| Kight | J. | Farmer | York | 1886 | WA Almanack |
| Kiklup | T. | Grazier | Greenough | 1878 | Herald Almanack |
| Kilfoyle | J. | Railway Porter | Perth | 1884 | WA Almanack |
| Kilfoyle | J. | Railway Clerk | Guildford | 1886 | WA Almanack |
| Kilfoyle | M. | Railway Porter | Perth | 1884 | WA Almanack |
| Kilfoyle | W. | Clerk Railway Department | Fremantle | 1887 | WA Almanack |
| Kilgallon | E. | Pensioner | Northam | 1884 | Herald Almanack |
| Kilgallon | James | | Northam | 1897 | Witton's Directory |
| Kilgallon | John | | Northam | 1897 | Witton's Directory |
| Kilgallon | M. | Pensioner | Northam | 1873 | Herald Almanack |
| Kilgallon | M. | Pensioner | Northam | 1874 | Herald Almanack |
| Kilgallon | M. | Pensioner | Northam | 1875 | Herald Almanack |