The Australian Council of Trade Unions, originally the Australasian Council of Trade Unions, is the largest peak body representing workers in Australia. It is a national trade union centre of 46 affiliated unions and eight trades and labour councils. The ACTU is a member of the International Trade Union Confederation.
The President of the ACTU is Michele O'Neil, who was elected on 28 July 2018. The current Secretary is Sally McManus.