Michael John "Mick" Ennis (25 April 1901 – 18 April 1948) was an Australian rules footballer who played with Hawthorn in the Victorian Football League (VFL).Ennis was the eldest son of Thomas John Ennis (who played for Carlton in 1896) and Mary Josephine Sullivan.
After playing with Carlton seconds for some time, Ennis transferred to Port Melbourne in the Victorian Football Association during the 1923 final series.
He made 26 appearances for Port before applying to join Hawthorn early in the 1925 VFL season.Ennis made 19 appearances over his three seasons with Hawthorn, scoring 42 goals, but failed to cement a regular starting position.
He retired at the end of the 1927 season.In 1930 he married Verna Mary Murcutt and they had four children before he died at the age of 46.