| S/RES/1284 (1999) | Situation between Iraq and Kuwait |
| S/RES/1283 (1999) | Cyprus |
| S/RES/1282 (1999) | Western Sahara |
| S/RES/1281 (1999) | Situation between Iraq and Kuwait |
| S/RES/1280 (1999) | Situation between Iraq and Kuwait |
| S/RES/1279 (1999) | The Democratic Republic of the Congo |
| S/RES/1278 (1999) | International Court of Justice |
| S/RES/1277 (1999) | Haiti |
| S/RES/1276 (1999) | Middle East |
| S/RES/1275 (1999) | Situation between Iraq and Kuwait |
| S/RES/1274 (1999) | Tajikistan |
| S/RES/1273 (1999) | Democratic Republic of the Congo |
| S/RES/1272 (1999) | East Timor |
| S/RES/1271 (1999) | Central African Republic |
| S/RES/1270 (1999) | Sierra Leone |
| S/RES/1269 (1999) | Responsibility of the Security Council in the maintenance of international peace and security |
| S/RES/1268 (1999) | Angola |
| S/RES/1267 (1999) | Afghanistan |
| S/RES/1266 (1999) | Situation between Iraq and Kuwait |
| S/RES/1265 (1999) | Protection of civilians in armed conflict |
| S/RES/1264 (1999) | East Timor |
| S/RES/1263 (1999) | Western Sahara |
| S/RES/1262 (1999) | East Timor |
| S/RES/1261 (1999) | Children and armed conflict |
| S/RES/1260 (1999) | Sierra Leone |
| S/RES/1259 (1999) | International Tribunal for the Former Yugoslavia and Rwanda - appointment of the Prosecutor |
| S/RES/1258 (1999) | The Democratic Republic of the Congo |
| S/RES/1257 (1999) | Timor |
| S/RES/1256 (1999) | Bosnia and Herzegovina |
| S/RES/1255 (1999) | Georgia |
| S/RES/1254 (1999) | The Middle East |
| S/RES/1253 (1999) | On the admission of new Members |
| S/RES/1252 (1999) | Croatia |
| S/RES/1251 (1999) | Cyprus |
| S/RES/1250 (1999) | Cyprus |
| S/RES/1249 (1999) | Admission of new Members |
| S/RES/1248 (1999) | Admission of new Members |
| S/RES/1247 (1999) | Bosnia and Herzegovina |
| S/RES/1246 (1999) | Timor |
| S/RES/1245 (1999) | Sierra Leone |
| S/RES/1244 (1999) | Kosovo |
| S/RES/1243 (1999) | The Middle East |
| S/RES/1242 (1999) | Situation between Iraq and Kuwait |
| S/RES/1241 (1999) | International Tribunal for Rwanda |
| S/RES/1240 (1999) | Tajikistan and Tajik-Afghan border |
| S/RES/1239 (1999) | Resolutions 1160 (1998), 1199 (1998) and 1203 (1998) |
| S/RES/1238 (1999) | Western Sahara |
| S/RES/1237 (1999) | Angola |
| S/RES/1236 (1999) | Timor |
| S/RES/1235 (1999) | Western Sahara |
| S/RES/1234 (1999) | Situation concerning the Democratic Republic of the Congo |
| S/RES/1233 (1999) | Guinea-Bissau |
| S/RES/1232 (1999) | Western Sahara |
| S/RES/1231 (1999) | Sierra Leone |
| S/RES/1230 (1999) | Central African Republic |
| S/RES/1229 (1999) | Angola |
| S/RES/1228 (1999) | Western Sahara |
| S/RES/1227 (1999) | Situation between Eritrea and Ethiopia |
| S/RES/1226 (1999) | Situation between Eritrea/Ethiopia |
| S/RES/1225 (1999) | Georgia |
| S/RES/1224 (1999) | Western Sahara |
| S/RES/1223 (1999) | The Middle East |
| S/RES/1222 (1999) | Croatia |
| S/RES/1221 (1999) | Angola |
| S/RES/1220 (1999) | Sierra Leone |