Allan Howard Davis (born 27 July 1980) is an Australian former professional road racing cyclist, who last rode for UCI ProTour team Orica–GreenEDGE.

He is also the brother of fellow cyclist, Scott Davis, and was an Australian Institute of Sport scholarship holder.

[2] In 2004 and 2005 he participated in the Tour de France, coming fifth in the points classification at the 2005 Tour de France behind the winner, Thor Hushovd of Norway, and fellow Australians Stuart O'Grady (2nd) and Robbie McEwen (3rd), and Kazakh champion Alexander Vinokourov (4th).

In 2006, Davis was one of the riders of the Astana–Würth team implicated in the Operación Puerto doping case.

[3] He made his debut with Quick Step on 3 September 2008 in the Memorial Rik Van Steenbergen – Aartselaar race after reaching an agreement with Patrick Lefevere for the following two seasons and obtained a definitive free pass from his former team, Mitsubishi–Jartazi.