The following lists events that happened during 1794 in Australia.

• Monarch - George III
• Acting Governor of New South Wales – Lieutenant-Governor Francis Grose
• Lieutenant-Governor of Norfolk Island – Philip Gidley King
• Commanding officer of the New South Wales Corps – Francis Grose
• Inspector of Public Works – John Macarthur

• 6 February – Captain John Hunter (former commander of HMS Sirius is appointed as Phillip's replacement as governor. However, he is in England at the time and will not arrive until September 1795.
• 1 April – John Macarthur receives a further grant of 100 acres (0.40 km²) at Parramatta.
• 18 May – Yemmerrawanne dies in England.
• 20 August – A third attempt to cross the Blue Mountains is made, this time led by Henry Hacking; they return on 27th – unsuccessful.
• 17 December – Grose leaves New South Wales for England. His positions as acting governor and commander of the New South Wales Corps are both filled by William Paterson.
• The first road between Sydney and Paramatta is cleared

• 22 March – Frederick Irwin, acting Governor of Western Australia (d. 1860)
• 10 November – Robert Towns, master mariner (d. 1873)
• date unknown
  • Elizabeth Underwood, founder of Ashfield, New South Wales (d. 1858)

• 9 June – Possible death of Robert Ross (records are unclear).

• Barker, Anthony (1996). What Happened When. St Leonards: Allen & Unwin. ISBN 1-86373-986-6.
• National Library of Australia. "The World Upside Down: Australia 1788 – 1830". Archived from the original on 20 March 2007. Retrieved 9 February 2007.