Charles Lydiard Aubrey Abbott (4 May 1886 – 30 April 1975) was an Australian politician and administrator of the Northern Territory. He was born at St Leonards, Sydney, to Thomas Kingsmill Abbott, a magistrate, and Marion, née Lydiard. He came from a political family – his uncles, Sir Joseph Abbott and William Abbott, had served in the New South Wales Legislative Assembly, while his cousins, Joe Abbott and Mac Abbott, would later enter Federal parliament.