The 1999 No Mercy held in the United Kingdom was the inaugural No Mercy professional wrestling pay-per-view (PPV) event produced by the American promotion, World Wrestling Federation (WWF, now WWE). It took place on May 16, 1999, at the Manchester Evening News Arena in Manchester, England and was broadcast exclusively for the United Kingdom. It was the only No Mercy held in the United Kingdom, as beginning with the October 1999 event, all further No Mercy events were held in the United States.