The 2002 Senior British Open, for sponsor reasons named Senior British Open presented by MasterCard, was a professional golf tournament for players aged 50 and above and the 16th British Senior Open Championship, held from 25 to 28 July at Royal County Down Golf Club in Newcastle, County Down, Northern Ireland, United Kingdom. In 2018, the tournament was, as all Senior British Open Championships played 1987–2002, retroactively recognized as a senior major golf championship and a PGA Tour Champions (at the time named the Senior PGA Tour) event.