| Legislature: | Parliament of Australia |
| Long Title: | An Act to provide for the acceptance of British New Guinea as a Territory under the authority of the Commonwealth, and for the Government thereof. |
| Introduced By: | Deakin Government |
| Royal Assent: | 16 November 1905 |
| Date Commenced: | 1 September 1906 |
| Date Repealed: | 1 July 1949 |
| Amended By: | Papua Acts 1920-1940 |
| Repealed By: | Papua and New Guinea Act 1949 |
| Status: | Repealed |
The Papua Act 1905 (Cth) was an Act of the Parliament of Australia which transferred the territory of Papua from Britain to Australia.[1] It formally incorporated Papua as an external territory of Australia and remained in effect until Papua's merger with New Guinea with the passage of the Papua and New Guinea Act 1949.