The band is set to perform on the Great Oak Stage on July 4, marking their return to the central London event a decade after their last appearance.
Mumford and Sons expressed their deep connection to Hyde Park, stating it is woven into their story, and they are excited to return with new music.
Rock band The War On Drugs will also perform on July 4, joining other confirmed headliners including Lewis Capaldi, Maroon 5, Pitbull and Garth Brooks.
Tickets for the event will go on sale on December 4 at 10 am.