The Middlesex FA Sunday Junior Cup is open to teams of Clubs who play regularly on Sundays and who are selected by the Committee having regard to the standard of football in which the Clubs are competing.
First winners: Harefield United
Most Sunday Junior Cup titles: CHFC Buffalos (3)
Current holders: BAA Heathrow
Fun fact: During the 2016/17 Sunday Junior Cup campaign, AFC Whitton and Willow Park FC played out a twelve goal thriller, drawing the game 6-6! Willow Park eventually triumphed 4-2 on penalties.