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Aaron Joseph (born 4 July 1989) is an Australian rules footballer with the Carlton Football Club in the Australian Football League.

Joseph is a midfielder who played junior football in Tasmania with the Glenorchy Football Club and the Tassie Mariners. He represented Tasmania at the 2007 AFL National Under 18 Championships, where he impressed sufficiently to be named on the interchange bench in the Under 18s All-Australian Team[1]. He was passed over in the 2007 AFL National Draft, but was selected by the Carlton Football Club with its first pick (#2 overall) in the 2008 Rookie Draft. He then spent the 2008 season playing exclusively with Carlton's VFL affiliate, the Northern Bullants.

Joseph first appeared for Carlton in the 2009 NAB Cup, where he played all three games for Carlton. Appearing mainly in a defensive, tagging role, Joseph was lauded for his performance in the semi-final against Geelong's Gary Ablett, Jr., and was made a nominated rookie for the 2009 season. He made his debut in the first round of the season, and played several tagging roles early in the season. He received a Rising Star nomination in Round 11 after tagging St Kilda's Stephen Milne out of the game, and earning 19 disposals himself. He would go on to play every game for the season, win the Blues' Best First Year Player award, and finish tenth in the best and fairest.

Joseph was promoted from the rookie list to the senior list in the 2009/10 offseason.[2]