Who has won the most afl grand finals in history?

Answer 1

Carlton have won 16 Grand Finals.

Although Essendon have was 16 premierships, it has won only 14 grand finals. The premierships of 1897 and 1924 were decided by a round robin finals series and no grand final was played in those years.

Answer 2

Carlton FC and Essendon FC ... both have 16 Premierships

[NOTE: The term used in Australian club football is "Premierships", rather than championships.]

Answer 3

As of the end of 2009, it is Essendon and Carlton with 16 Premierships each.