Royal Commission hearings are set to begin into Swimming Australia’s response to child sexual abuse allegations within its ranks.

The Royal Commission into Institutional Responses to Child Sexual Abuse will on Monday start hearings into Swimming Australia’s reaction to claims made against Olympic coaches Scott Volkers and Terry Buck.

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Mr Volkers was charged in early 2002 with the indecent dealing of three teenage girls he coached in the mid-1980s but those charges were dropped six months later.

Separate sexual abuse allegations surfaced against Mr Buck in 2009, four years after his death.

Mr Buck represented Australia at the Olympics as a swimmer at the 1964 Tokyo Games, and was then head swimming coach at the 1984 Games and swimming team manager in Barcelona in 1992 and Atlanta in 1996.

The commission will also look at the response of the Scone Swimming Club in the NSW Upper Hunter region to the conviction of Stephen John Roser for indecent assault and for committing acts of indecency against a child.

It is also expected to hear from the directors of public prosecutions in Queensland and NSW.