Brian Hayes KC (born July 1944) is a prominent Australian lawyer who specialises in public and administrative law.

[1] He is an adjunct professor in the School of Natural and Built Environments at the University of South Australia and has acted as a consultant to federal, state and local governments.

[2] Hayes represented the Conservation Council of South Australia in an appeal against a proposal to intensively farm southern bluefin tuna in Louth Bay.

The case became South Australia's longest environmental trial[3] was ultimately successful and enshrined the precautionary principle in law.

He told journalist Ian Henschke that a revised planning system needs to be fair and meet the current expectations of communities.

[8] Hayes wrote of changing expectations of planning in South Australia that "people are looking for a planning system that is easy to understand and apply, that values community input, that includes clear rules and straightforward processes that ensures the right balance between statewide issues and local needs, and is based upon the most up-to-date expert knowledge.

"[23] Brian Hayes was born in July 1944 in Bombay British India to an Anglo-Indian father and a mother of Portuguese-Indian descent.

[24] He boarded until the age of 11 at the St Joseph's School, Darjeeling[25] in the Himalayas before migrating with his family to England in 1957 due to Indian Independence, upon the R.M.S.

[29] The movie details the story of a young talented skateboarder from a low socio-economic neighbourhood in South Australia who has grand ambitions to escape his working class background.