Ernest Alfred Roberts (21 February 1868 – 2 December 1913) was a Labor member of the Australian House of Representatives from 1908 to 1913. Roberts was born in London and educated in Guernsey. He became a sailor and then travelled to Queensland in 1886. He became a wharf labourer and union secretary in Port Pirie, South Australia and in 1892 he married Bridget Marie Collins.