Alfred Edwin Gay "Rosie" Dummett (8 December 1880 – 1 May 1955) was an Australian rules footballer who played for the Collingwood Football Club in the VFL during the early 1900s.

The son of Henry Peter James Dummett (1857-1921),[1] and Jessie Adeline Dummett (1856-1928), née Rouse,[2] and known as "Rosie" due to his rosy red cheeks,[3] Alf Dummett was born in Fitzroy on 8 December 1880.

He was a member of Collingwood's 1902 and 1903 premiership teams and captained the club for part of the 1906 season.

After his playing career ended he served as the Vice President of the Collingwood Football Club.

[8] This Australian rules football biography of a person born in 1880 is a stub.