| Place name | Origin & meaning | Source |
| Yaccaba | Name given to the area by the Worimi tribe. Originally called North Head by Captain Cook. | Engel,B: Tea Gardens - Hawks Nest p71 |
| Yarramalong | Aboriginal - place of wild horses | Lake Macquarie Past & Present. |
| Yarrawonga Park | Aboriginal - birds's nest, Wonga pigeon, stoney mountain,waterfall, windstorm. | Lake Macquarie Past & Present. |
| Yimmang | Native for the Paterson River. | Wallsend Jubilee Celebrations 1874 - 1924 p2 |
| York Bay (Port Stephens) | Believed to be Shoal Bay. Named given by Governor Macquarie when he visited the area in honour of the Duke of York. | Raymond Terrace Examiner 10.07.1985. |
| York Drive (Newcastle) | The roadway traversing King Edward Park. | Souvenir of Civic Week, 1929 |
| York Street (Abermain) | After an early resident of the area. | Advertiser 05.07.1989 |
| York Street (Mayfield) | Former name for Holt Street. | NCC Planning Department. |
| Young Road (Lambton) | After Mr Matthew Young Assitant Superintendant and A+B1751ccountant of the Scottish Australian Company. | Hoy,E: History of Lambton/New Lambton |
| Young Street ( East Maitland) | Sir John Young who served as Governor of N.S.W. | MM 19.11.1964. |
| Young Street (Carrington) | After Sir John Young 1807 - 1876 Governor of N.S.W. 1861. | Carrington Folder - Streets. |
| Young Street (Lambton) | Croudace Street to Waratah Road (Lambton Road). | Gov Gaz No 44 Folio 689 06.03.1953. |
| Young Street (Lorn) | After Sir John Young. | Maitland - Streets folder |
| Young Street (Telarah) | After Sir John Young, who served as Governor of N.S.W. | MM 19.11.1964. |
| Young Wallsend | Earlier name for Edgeworth | Lake Macquarie Past & Present. |