Alan Augustus Adams (8 May 1883 – 28 July 1963) was a New Zealand born sportsman who played international rugby union for England. He also played first-class cricket with Otago.
Adams made two first-class appearances for Otago. A batsman, he played both of his matches against Auckland, in 1906 and then 1908.
While in London, to study medicine, Adams was called up to the England national rugby union team. He was capped for the first and only time in their eight-point win over France at the Parc des Princes. The fixture was part of England's championship winning 1910 Five Nations campaign.