| Ship Name | Ship Type | Notes |
| G Index | Built **** | |
| Gaarden | Built **** | |
| Gabriella | Schooner | Built: 1920 Tonnage 1,587 1930 taken over with R.S. Lamb & Co., Sydney, 1952 sold to Chandris, Piraeus, renamed Dora Chandris. |
| Gae | Built **** | |
| Gael | Coaster | Built: 1904 Tonnage: 95 |
| Gael | Cutter | Built: 1904 Tonnage 55 |
| Gael | Schooner | Built: 1877 Tonnage 98 |
| Gael 2 | Built **** | |
| Gainsborough | Built **** Tonnage 974 | |
| Gairloch | Built: 1884 Tonnage: 345 | |
| Gale | Coastal vessel | Built **** |
| Gale | Steamer | Built: 1912 Tonnage: 934 |
| Gale | Steamer | Built: 1919 Tonnage: 610 gross |
| Gale | Motor vessel | Built: 1935 Tonnage: 622 |
| Gale | Scow | Built **** |
| Galileo | Built **** | |
| Galitee | Trawler | Built: 1918 Tonnage 9 |
| Gannet | Cutter | Built: 1860 Tonnage 27 |
| Gannet | Cutter | Built: 1881 Tonnage 17 |
| Gannet | Schooner | Built: 1842 |
| Gannet | Schooner | Built: 1905 Tonnage 77 |
| Gannet | Scow | Built 1905 |
| Garibaldi | Schooner | Built: 1870 Tonnage 51 |
| Gaualofa | Motor vessel | Built: 1935 Tonnage: 622 |
| Gaualofa | Coastal vessel | Built: 1937 Tonnage: 41 |
| Gazelle | Barque | Built **** |
| Gazelle | Schooner | Built: 1856 |
| Gazelle | Cutter | Built: 1864 Tonnage 23 |
| Gazelle | Built **** Tonnage 46 | |
| Gazelle | Schooner | Built **** Tonnage 47 |
| Geelong | Schooner | Built **** Tonnage 108 |
| Geisha | Coastal vessel | Built: 1937 Tonnage: 41 |
| Gem | Schooner | Built **** Tonnage 25 |
| Gem | Schooner | Built: 1874 Tonnage 20 |
| Gem | Ketch | Built **** Tonnage 6 |
| Gemini | Steamer | Built: 1866 |
| General Cameron | Schooner | Built: 1864 Tonnage 41 |
| General Palmer | Built **** | |
| General Pitt | Schooner | Built: 1884 |
| Genieve M Tucker | Barque | Built: 1870 Tonnage: 519 |
| Genieve Tucker | Barque | Built: 1901 |
| Genieve M Tucker | Barque | Built: 1870 Tonnage: 519 |
| George | Schooner | Built: 1846 |
| George | Schooner | Built **** Tonnage 35 |
| George & Mary | Cutter | Built: 1856 |
| Geraldine | Schooner | Built: 1868 Tonnage 23 |
| Gerda | Steamer | Built **** |
| Gertie | Steamer | Built: 1866 |
| Gertrude | Brigantine | Built: 1857 Tonnage 250 |
| Ghost | Ketch | Built: 1879 Tonnage 35 |
| Ghost | Scow | Built 1879 |
| Gil Blas | Brigantine | Built: 1859 |
| Giorgina | MV | Built: 1939 Tonnage 8 |
| Gipsey | Schooner | Built: 1846 |
| Gipsy | Schooner | Built: 1844 Tonnage 34 |
| Gipsy | Schooner | Built: 1851 |
| Gipsy | Schooner | Built: 1856 Tonnage 17 |
| Gipsy | Cutter | Built: 1875 Tonnage 27 |
| Girola | Cutter | Built: 1879 Tonnage 13 |
| Gisbourne | Schooner | Built: 1881 Tonnage 67 |
| Gladbrook | Built 1877 Tonnage 1,112 ex- Countess of Anglesea, 1911 purchased from O. Pettersen, Marieham and renamed Gladbrook, 1945 scrapped. | |
| Glance | Cutter | Built: 1856 Tonnage 18 |
| Glasgow | Ketch | Built: 1863 Tonnage 35 |
| Glasgow | Schooner | Built: 1864 Tonnage 47 |
| Glaucu | Built **** | |
| Gleam | Ketch | Built: 1884 Tonnage 11 |
| Gleaner | Built **** | |
| Glenae | Scow | Built 1904 |
| Glenae | Ketch | Built: 1904 Tonnage |
| Glencairn | Schooner | Built: 1885 Tonnage 62 |
| Glencoe | Barque | Built: 1850 |
| Glencoe | Barque | Built **** Tonnage 159 |
| Glencoe | Brigantine | Built: 1846 |
| Glenelg | Steamer | Built: 1878 Tonnage: 288 |
| Glenelg | Built 1875 Tonnage 210 1896 taken over with T.A. Reynolds, Hobart fleet, 1898 sold to A. Ellerker, Melbourne. | |
| Glengarry | Cutter | Built: 1845 |
| Glenlora | Barque | Built **** Tonnage 764 |
| Glenside | Coaster | Built: 1921 Tonnage: 555 |
| Glimspe | Cutter | 1864 Tonnage 38 |
| Glimpse | Ketch | Built **** Tonnage 35 |
| Glimpse | Barque | Built: 1876 |
| Gloria | Barque | Built **** Tonnage 735 |
| Glory | Steamer | Built: 1878 Tonnage: 288 |
| Glyn Bird | Motor vessel | Built: 1911 Tonnage: 22 |
| Glyn Bird | Brig | Built **** |
| Go Ahead | Built **** | |
| Go Ahead 2 | Built **** | |
| Goldfinch | Ferry | Built **** |
| Gold Seeker | Brigantine | Built **** Tonnage 148 |
| Golden Age | Built **** | |
| Golden Crown | Paddle steamer | Built: 1870 Tonnage 207 |
| Golden Crown | Schooner | Built **** Tonnage 208 |
| Golden Isle | Schooner | Built 1868 Tonnage 77 |
| Golden Land | Built **** | |
| Golden Summer | Motor vessel | Built: 1911 Tonnage: 22 |
| Golden Summer | Motor vessel | Built: 1956 Tonnage: 813 |
| Good Intent | Schooner | Built: 1851 |
| Good Templar | Built **** | |
| Government Print l | Ferry | Built **** |
| Governor Fitzroy | Schooner | Built: 1844 |
| Governor Grey | Built **** | |
| Governor Hobson | Schooner | Built: 1840 |
| Governor Wynard | Built **** | |
| Grace | Ketch | Built: 1873 Tonnage 25 |
| Grace Dent | Built **** | |
| Grafton | Built 1854 Tonnage 548 1885 taken over with Black Diamond Line fleet, 1898 wrecked Port Macquarie. | |
| Grampus | Cutter | Built: 1849 |
| Gratitude | Brigantine | Built **** Tonnage 89 |
| Grayling | Built **** | |
| Grayling | Cutter | Built **** Tonnage 13 |
| Great Barrier Express | Motor vessel | Built: 1956 Tonnage: 813 |
| Great Circle | Ferry | Built **** |
| Green Pastures | Fishing vessel | Built **** |
| Greenwich | Cutter | Built **** Tonnage 16 |
| Gresham | Coastal vessel | Built: 1970 Tonnage: 520 |
| Gresham | Steamer | Built: 1900 Tonnage: 708 |
| Greyhound | Steamer | Built: 1900 Tonnage: 708 |
| Greyhound lll | Schooner | Built **** |
| Griffin | Schooner | Built: 1878 Tonnage 48 |
| Guardian Carrier | Launch | Built **** |
| Gunbar | Built **** | |
| Guiding Star | Steamer | Built: 1861 Tonnage 74 |
| Gundagai | Paddle steamer | worked from 1864 |
| Gwarra Peres | Ketch | Built: 1891 Tonnage 12 |
| Gymnatus/Cymotus | Paddle steamer | Built **** |
| Gymnatus/Electricus | Steamship | Built **** |
| Gypsy | Built **** |