| Place name | Origin & meaning | Source |
| Kahibah | Aboriginal - either a place for games or to be active and eager and refers to first location of Kahibah in the early 1880's at Blacksmiths. | Lake Macquarie Past & Present. |
| Kahibah 2 | Present location of Kahibah and is Aboriginal "Kai-ara-ba"- a place of sea weeds refering the bushland from the coast to the edge of Charlestown. | NMH 29.04.1976. |
| Kalingo | Aboriginal meaning "By the Water" referring to "Catchaboy Swamp", located at the village of Ellalong some 2 miles S.West of Kalingo Colliery. | Sumner,I: Kalingo Colliery p 12 |
| Kalsina Flat | Original name for Mayfield East due to the fact that the earliest residents worked at the Kalsina Furnaces at the Copper Smelting works at Port Waratah. | Mayfield Jubilee Celebrations Souvenir Booklet. |
| Kangaroo Street (Raymond Terrace) | Named after local wildlife in the area. | Hunter,C: History and Heritage. |
| Kanimbla | Street in the subdivision called the "Assault Basin" named after vessels which either operated from Port Stephens or escorted the naval boats from HMAS Assault on active duty in the Pacific and South-East Asia during W.W.2 | Armstrong,J:Yaccaba and Tomaree. |
| Kanwal | Aboriginal - great, large | NMH 23.04.1955 |
| Karuah | Aboriginal - a native plum tree | N.Sun 08.07.1953 |
| Kearlsey | Named after district's first member of parliament | The Coal Miner Feb 1960 |
| Keightley Street (Newcastle) | After Alderman Stewart Keightley | Newcastle - Streets folder |
| Keith Smith Drive (Rankin Park) | Lake Macquarie Shire President in 1970. | Lake Macquarie & District Historical Society feb 1970. |
| Kelton Street (Cardiff) | Renaming of the portion of Macquarie Rd between Woolworths and the Railway adopted 17.06.1970. | NSun 17.06.1970. |
| Kemp Street (The Junction) | Named after Simon Kemp, a large property owner in Newcastle | F. A. Cadell (Newcastle - Streets folder) |
| Kemp Street (Wallsend) | After Charles Kemp, a director of the Newcastle Wallsend Coal Company. Earlier name for Cowper Street. That portion of Dan Rees Street between Nelson Street and the Storm Water Channel. | Wallsend Digest 29.08.1963. |
| Kempster Road (Merewether) | After Thomas Kempster, the first mayor of Merewether. | Dixon,J: History of Merewether. |
| Ken Tudman Drive (Maitland) | To honour former rally champion Ken Tubman | MM 17.12.1987. |
| Kendal Street (Rankin Park) | On Lake Macquarie Shire List. | Lake Macquarie & District Historical Society feb 1970. |
| Kendall | After Henry Kendall the Australian poet. | NMH 24.12.1953 |
| Kendall Street ( Beresfield ) | Allegedly named so that subdivider's children wouldn't forget their English literature/science or alphabet | D. Smith, Hawthorne Street Beresfield |
| Kendall Street (Lambton) | After Charles Kendall, an early director of the Scottish Australian Mining Company. | Hoy,E: History of Lambton/New Lambton |
| Kenneth Street (Wallsend) | Both christian names of sons of Mrs. Hughes, from whom the N.S.W. Housing Commission purhcased land in 1947. | Wallsend Public School Centenary 1862 - 1962. |
| Kennington | Aftr Kennington Oval, Lond., where aboriginal cricket team played agnst. Surrey in 1868; orig. holding of William Bowden | NMH 26.07. 1950 |
| Kenrick Street (The Junction) | Named after Atwell Kenrick, Wharf Manager for A. A. Co. in 1850 | F. A. Cadell (Newcastle - Streets folder) |
| Kenrick Street (Wallsend) | After Mr. Kenrick, owner of land rented by the Co-operative Colliery, 1861. | Wallsend Public School Centenary 1862 - 1962. |
| Kentiirrabin | Awabakal - entrance to Lagoon at Redhead | Grothen,J: History In & About Glenrock p 14 |
| Kentish Ovals (New Lambton) | To honour the Kentish family who had played an important and valuable part in community activities in the Lambton and New Lambton area. | NMH 03.03.1971. |
| Khartoum Hotel | After one of Kitchener's great victories during the Sudan War. | Social Sciences Teacher Vol13no5 30.11.1983 |
| Kiaba | Early name for Kahibah | NS 05.12. 1965 |
| Kilaben Bay | Mispelling of Killibinbin which is Aboriginal meaning shining,bright, glorious. | Lake Macquarie Past & Present. |
| kilcoy | A location on the Tomago side of the Hunter River at Hexham. | NHDHS Journal Vol27 no3 p11 |
| Kilgour Avenue (Merewether) | Alderman Robert GeorgeKilgour , a former mayor of Newcastle. | C.E.Smith Dec 1966. |
| Killingworth | After a place north of Newcastle-on-Tyne. It was at Killingworth Colliery in 1815 that George Stephenson of railway fame developed a mine safety lamp. | Social Sciences Teacher Vol13no5 30.11.1983 |
| Kincumber | Aboriginal - belonging to an old man but today is known as the place where there is an orphanage. | NMH |
| King Edward Park (Newcastle) | First official use of the name was 29.08.1910. | NCC Archives AB797 Improvements & G.P. Comm 1906-1914. |
| King Street ( East Maitland) | After Captain Phillip King Governor of N.S.W. | MM 19.11.1964. |
| King Street (Cooks Hill) | After a former superintendent of the A.A.Co in Australia. | Archives of Business and Labour ANU. |
| King Street (Lorn) | Thought to be named after Governor King | Maitland - Streets folder |
| King Street (Lorn) | After Captain Phillip King, governor of N.S.W. | MM 19.11.1964. |
| King Street (Newcastle) | Named after NSW Governor King | NMH 27.07.1950 |
| King Street (R.Terrace) | Named after James King. | Hunter,C: History and Heritage. |
| King Street (Stockton) | In honour of the monarch. | NMH 25.03.1978. |
| King Street (Waratah) | Portion of Prince Street from Platt Street in northerly direction. | Gov Gaz 08.10.1918. |
| King Street Reserve (Newcastle) | Named after Governor King | Parks MDS A/C:NPMD - 04.01.1988 |
| Kingdon Ponds | Small village situated about six miles north of Scone. Located on creek of same name. | Basch: Atlas of the Settled Counties. RSF 919.44/BAS 1.1B |
| King's Town | Earlier name for Newcastle, after Philip Gidley King, the third Governor of N.S.W. | Social Sciences Teacher Vol13 no5 30.11.1983 |
| Kings Wharf | Portion of the wharf that was demolished in the late 1960's and therefore no longer in use. | Geographical Names Board 28.05.1990. |
| Kirkdale | Early name for Arcadia Vale after Joseph Kirk one of the early settlers. | Lake Macquarie Past & Present. |
| Kirkton (Branxton) | Named after Kirktown, near Fraserburg, Scotland, by John Busby, who in 1824 received a grant of 2000 acres. | NMH 24.12.1953 |
| Kitchener | After Earl Kitchener, British Secretary at State for War during W.W.I. | Social Sciences TeacherVol13no5 30.11.1983 |
| Kitchener Parade (Newcastle) | Subdivied in the Gallipoli year 1915. Named after Lord Kitchener. | Cooks Hill Walk Trip. Fredman,L.F. |
| Kona-konaba | Awabakal name for Murdering Gully. | Grothen,J: History In & About Glenrock p 14 |
| Kooragang Island | Aboriginal - Brolga or native companion. Also the name of an estate on Moscheto Island in 1844 held by Rev, Charles P.N. Wilton, H.M. Chaplain of Christ Church, Newcastle. | Social Sciences Teacher Vol13.no5.30.11.1983 |
| Kotara | Aboriginal - for a hunting or killing club or waddy | Lake Macquarie Past & Present. |
| Kotara Heights | Early name for Garden Suburb. | Lake Macquarie Past & Present. |
| Krambach | From "krambuck", stony, steep mountain. | L.Gilbert: History of Nabiac and District. |
| Kurraka | Awabakal for the entrance to Glenrock Lagoon. | Grothen,J: History In & About Glenrock p 14 |
| Kurri Kurri | Aboriginal - to hurry along or to go very quickly.Town was proclaimed in 1902. | Tumblebee No 6 June 1998. |