Sir Austin Chapman KCMG (10 July 1864 – 12 January 1926), Australian politician, was a member of several early federal ministries. He was born in Bong Bong near Bowral, New South Wales and educated at Marulan Public School and was apprenticed as a saddler at an early age. In about 1884 he went into business as a publican, storekeeper and auctioneer in Queanbeyan, and later became an investor and company director.