Jack E. Clarke (1933–2001), former Essendon Football Club player and coach
Jack Kerouac | Arthur C. Clarke | Jack Nicholson | Jack Nicklaus | Jack the Ripper | Jack London | Jack Kemp | Jack Kirby | Jack Lemmon | Jack Black | Jack Abramoff | Jack Dempsey | Jack Benny | Jack White | Wolfman Jack | Union Jack | Jack White (musician) | Jack and the Beanstalk | Jack Johnson | Jack Charlton | Jack Palance | Jack Daniel's | Jack | Jack Paar | Jack Layton | Jack Straw | Jack Vance | Jack Bruce | Jack Warden | Jack's Mannequin |
Essendon Third Eighteen footballer and junior champion athlete Ron Clarke, son of 1931 Essendon Best and Fairest Tom Clarke, and brother of Essendon champion Jack Clarke, lit the Olympic Flame in the 1956 Olympics' opening ceremony.
They would be forced to hold station for the opening laps as the safety car was deployed for a collision between Jack Clarke and Andreas Demetriou at Becketts.
His brother Jack Clarke and father Tom played Australian rules football in the Victorian Football League with Essendon.