The Australian Capital Territory has no Coat of Arms. The city of Canberra, the national capital of Australia, was granted a Coat of Arms by King George V in 1928.

The Canberra Coat of Arms consists of a black and white swan supporting a shield.
The shield includes a medieval castle and a crossed Sword of Justice and mace. Beneath the castle is a rose. Above the shield are a gate, a crown and a gum tree.
The mace is a symbol of Parliament. The black and white swans represent the Aboriginal and European races. The rose is the Rose of York, for the Duke of York who declared Canberra the Seat of Government in 1927.

The motto is "Pro Rege, Lege et Grege" - "For the Queen, the Law and the People.

The NSW Coat of Arms was granted by King Edward VII in Oct 1906. It features a shield containing the badge of NSW together with wheat and sheep symbols on a blue background. The shield is supported by a lion, representing England, and a kangaroo, representing Australia. The crest is a rising sun, representative of a newly rising country. The Latin motto means "Newly risen, how bright thou shinest", as shown by the rising sun. It also refers to the State's continuing progress and development.

Queensland was the first State to be granted a Coat of Arms. Queen Victoria granted it to the then colony in 1893.
The present Coat of Arms consists of a shield which has a bull's head, a merino ram, a pile of quartz and a gold pyramid with a spade and pick. These pictures represent pastoral, mining and agricultural industries. The shield is supported by a red deer and the brolga. The original emblem did not have supporters but Queen Elizabeth II granted these on her visit in 1977. The State badge is at the top surrounded by two sugar cane stems.
The motto, "Audax et Fidelis", means "Bold, Aye, and Faithful Too".

The original Coat of Arms of Victoria was granted on 6 June 1910 by King George V. The present coat of arms was granted by Queen Elizabeth II in 1973. It includes the shield which incorporates the same badge as used in the flag. Above the shield is a kangaroo holding an Imperial Crown. The shield is supported by two women one holding an olive branch (peace) and the other a cornucopia (prosperity).
The motto is "Peace and Prosperity".

Western Australia's present Coat of Arms was granted by Queen Elizabeth on 17 March 1969. Before then the Black Swan had long been adopted by early settlers as their unofficial emblem. The earlier unofficial Coat of Arms had a latin motto "Cygnis Insignis" meaning "distinguished by its swans" but this was not used on the official Coat of Arms.

The WA Coat of Arms has two Red Kangaroos, each holding a boomerang, supporting a shield which features the black swan on a base of rippled blue and silver. Above the shield is an Imperial Crown on a black and gold wreath between two Kangaroo Paw flowers.

Tasmania's Coat of Arms was granted by King George V on 21 May 1917. The shield represents Tasmanian industry: apples, a sheaf of wheat, a branch of hops, plus a ram. It is supported by two Tasmanian tigers, now extinct. Above the shield are a red lion with a front paw resting on a spade and pick axe.
The motto, "Ubertas et Fidelitas", means "Fertility and Faithfulness".

The Coat of Arms was granted by Queen Elizabeth in 1978.
It features a shield containing two aboriginal designs associated with Arnhem Land, a female Aboriginal figure and two carved motifs.
On either side of the shield is a sprig of Sturt's Desert Rose.
The shield is supported by two red kangaroos holding shells.
At the crest is a wedge-tailed eagle, with wings splayed, on a rock.
Beneath the rock is a helmet.

This is the only Australian Coat of Arms to contain all the bird, animal and floral emblems for that state/territory.