|Host city||Port Moresby and Lae|
|Country||Papua New Guinea|
164 medal events
|Opening||September 7, 1991|
|Closing||September 21, 1991|
|Opened by||The Duke of York|
The 1991 South Pacific Games, held from 7–21 September 1991 at Port Moresby and Lae in Papua New Guinea, was the ninth edition of the South Pacific Games. This was the first time that events at one games had been held in two cities. The decision to do so was to allow both locations to benefit from the construction of new facilities.
Host nation Papua New Guinea topped the medal table for the first time at a South Pacific Games with a total of 100 medals won.
Sixteen Pacific nations participated in the Games:
17 sports were contested at the 1991 South Pacific Games:
Medals were awarded in a total of 164 events:
|1||Papua New Guinea (PNG)||44||29||27||100|
|2||French Polynesia (PYF)||30||24||26||80|
|3||New Caledonia (NCL)||29||29||27||85|
|4||Western Samoa (WSM)||19||13||6||38|
|7||American Samoa (ASA)||9||6||8||23|
|11||Cook Islands (COK)||1||4||6||11|
|12||Wallis and Futuna (WLF)||0||6||12||18|
|13||Solomon Islands (SOL)||0||5||2||7|
|14||Norfolk Island (NFI)||0||3||0||3|
|Totals (14 entries)||164||164||170||498|
^c Squash: There were individual and team events for men and women. PNG won all four gold medals. The South Pacific Games Council had announced in 1978 that squash would be included in the Games, and it was played in 1979, 1983, 1987, and 1991.