Donald Barrett (16 October 1917 – January 1973) was an Australian planter, army major, politician and sports coach in the Territory of Papua and New Guinea.

[2] During World War II he served with the Second Australian Imperial Force and the 2nd New Guinea Infantry Battalion.

[4] He ran for reelection in the East and West New Britain Regional constituency in 1968, but was heavily defeated by Roy Ashton.

[5] In addition to territory politics, he also served on Rabaul Town Advisory Council, including a stint as mayor.

[2] He subsequently organised the 1969 South Pacific Games that were held in Port Moresby, and became chairman of the Melanesian Tourist Federation.