The body of Colin Taylor was found by a member of the public at around 9.20am BST on Sunday 17 July. Thames Valley Police have said that his death is not believed to be suspicious and that a file was being prepared for the coroner.
A police spokeswoman said: "At this stage there appear to be no suspicious circumstances. "The next of kin have been informed. The family have asked for privacy at this very difficult time."
Oxford City Football Club issued a statement saying: : "It is with the deepest sadness that the directors of the club have to announce the sudden passing of managing director Colin Taylor.
"Our thoughts and prayers are with Colin's family and friends at this time."
Brian Cox, Chairman of the club told the BBC he was "shocked" by the news, and had been friends with Taylor for more than 25 years.
Tributes from fans have poured in for the club director, believed to be in his 60s. Rob Tutton, said: "Unbelievable & shocking news. Saw him yesterday at the first team game… [he] gave so much to the club".
Oxford City Football Club was established in 1882 and won the FA Amateur Cup in 1906. In 1979, England 1966 World Cup player Bobby Moore was appointed manager, with Harry Rednapp as his assistant.