List of United Nations Security Council Resolutions 401 to 500
This is a list of United Nations Security Council Resolutions 401 to 500 adopted between 14 December 1976 and 28 January 1982.
| Resolution | Date | Vote | Concerns |
| 401 | 14 December 1976 | 13–0–0 | Extends the mandate of the United Nations Peacekeeping Force in Cyprus |
| 402 | 22 December 1976 | Adopted "by consensus" | South Africa-Lesotho border closure; Transkei |
| 403 | 14 January 1977 | 13–0–2 | Attacks on Botswana by Southern Rhodesia |
| 404 | 8 February 1977 | Adopted "by consensus" | Foreign mercenary attack in Benin |
| 405 | 14 April 1977 | Adopted "by consensus" | Special Mission report on Benin |
| 406 | 25 May 1977 | Adopted without vote | Report on attacks by Southern Rhodesia on Botswana |
| 407 | 25 May 1977 | Adopted without vote | Continued harassment of Lesotho by South Africa |
| 408 | 26 May 1977 | 12–0–0 | Extends the mandate of the United Nations Disengagement Observer Force |
| 409 | 27 May 1977 | Adopted without vote | Sanctions on Southern Rhodesia |
| 410 | 15 June 1977 | 14–0–0 | Extending peacekeeping operations in Cyprus |
| 411 | 30 June 1977 | Adopted 15–0–0 | Attacks on Mozambique by Southern Rhodesia |
| 412 | 7 July 1977 | Adopted 15–0–0 | Admission of Djibouti to the United Nations |
| 413 | 20 July 1977 | Adopted "by consensus" | Admission of Vietnam to the United Nations |
| 414 | 15 September 1977 | Adopted without vote | Developing situation in Cyprus |
| 415 | 29 September 1977 | 13–0–1 | Discussions for the future of Southern Rhodesia |
| 416 | 21 October 1977 | 13–0–0 | Extends mandate of the United Nations Disengagement Observer Force |
| 417 | 31 October 1977 | Adopted 15–0–0 | Condemns continuing repression in South Africa |
| 418 | 4 November 1977 | Adopted 15–0–0 | Imposes an arms embargo on South Africa |
| 419 | 24 November 1977 | Adopted without vote | Asking for international help on the mercenaries who attacked Benin |
| 420 | 30 November 1977 | 12–0–0 | Extending mandate of the United Nations Disengagement Observer Force |
| 421 | 9 December 1977 | Adopted 15–0–0 | Establishes committee to monitor implementation of Resolution 418 on South Africa |
| 422 | 15 December 1977 | 14–0–0 | Extends peacekeeping operations in Cyprus |
| 423 | 14 March 1978 | 10–0–5 | Calls for an end to the "illegal racist regime" in Southern Rhodesia |
| 424 | 17 March 1978 | Adopted 15–0–0 | Attacks on Zambia and other countries by Southern Rhodesia; Liberation movements in Namibia, Zimbabwe; South African apartheid |
| 425 | 19 March 1978 | 12–0–2 | Establishes the United Nations Interim Force in Lebanon |
| 426 | 19 March 1978 | 12–0–2 | Establishes the United Nations Interim Force in Lebanon |
| 427 | 3 May 1978 | 12–0–2 | Increases size of UNIFIL; condemns attacks on UN forces in Israel-Lebanon |
| 428 | 6 May 1978 | Adopted 15–0–0 | Attack on Angola by South Africa; suppression of people in Namibia |
| 429 | 31 May 1978 | 14–0–0 | Extends mandate of the United Nations Disengagement Observer Force |
| 430 | 16 June 1978 | 14–0–0 | Extends mandate of the United Nations Peacekeeping Force in Cyprus |
| 431 | 27 July 1978 | 13–0–2 | Proposals for situation in Namibia; appointment of Special Representative |
| 432 | 27 July 1978 | Adopted 15–0–0 | Calls for integration of Walvis Bay back into Namibia |
| 433 | 17 August 1978 | Adopted 15–0–0 | Admission of the Solomon Islands to the United Nations |
| 434 | 18 September 1978 | 12–0–2 | Extends mandate of the United Nations Interim Force in Lebanon |
| 435 | 29 September 1978 | 12–0–2 | Establishment of United Nations Transition Assistance Group in Namibia |
| 436 | 6 October 1978 | Adopted 15–0–0 | The Lebanese Civil War |
| 437 | 10 October 1978 | 11–0–4 | Decision of the United States to allow Southern Rhodesian regime members to enter country |
| 438 | 23 October 1978 | 12–0–2 | Extends mandate of the United Nations Emergency Force |
| 439 | 13 November 1978 | 10–0–5 | Condemns South Africa's decision to hold unilateral elections in South West Africa |
| 440 | 27 November 1978 | Adopted "by consensus" | Peace progress in Cyprus |
| 441 | 30 November 1978 | 14–0–0 | Extends mandate of the United Nations Disengagement Observer Force |
| 442 | 6 December 1978 | Adopted 15–0–0 | Admission of the Commonwealth of Dominica to the United Nations |
| 443 | 14 December 1978 | 14–0–0 | Extends mandate of the United Nations Peacekeeping Force in Cyprus |
| 444 | 19 January 1979 | 12–0–2 | Extends mandate of the United Nations Interim Force in Lebanon |
| 445 | 8 March 1979 | 12–0–3 | Attacks on other countries by Southern Rhodesia; 1979 election |
| 446 | 22 March 1979 | 12–0–3 | Determines Israeli Settlements have no legal validity and are an obstacle to a comprehensive peace. |
| 447 | 28 March 1979 | 12–0–3 | South African attack on Angola |
| 448 | 30 April 1979 | 12–0–3 | Zimbabwe Rhodesia general election, 1979 |
| 449 | 30 May 1979 | 14–0–0 | Extends mandate of the United Nations Disengagement Observer Force |
| 450 | 14 June 1979 | 12–0–2 | Condemns Israeli attacks; extends mandate of the United Nations Interim Force in Lebanon |
| 451 | 15 June 1979 | 14–0–0 | Extends mandate of the United Nations Peacekeeping Force in Cyprus |
| 452 | 20 July 1979 | 14–0–1 | Israeli settlements |
| 453 | 12 September 1979 | Adopted 15–0–0 | Admission of Saint Lucia to the United Nations |
| 454 | 2 November 1979 | 12–0–3 | Attacks on Angola by South Africa |
| 455 | 23 November 1979 | Adopted "by consensus" | Attacks on Zambia by Southern Rhodesia; South African collusion |
| 456 | 30 November 1979 | 14–0–0 | Extends mandate of the United Nations Disengagement Observer Force |
| 457 | 4 December 1979 | Adopted 15–0–0 | Iran and the United States during the Iran hostage crisis |
| 458 | 14 December 1979 | 14–0–0 | Extends mandate of the United Nations Peacekeeping Force in Cyprus |
| 459 | 19 December 1979 | 12–0–2 | Extends mandate of the United Nations Interim Force in Lebanon; notes concerns |
| 460 | 21 December 1979 | 13–0–2 | Ends sanctions against Southern Rhodesia; notes Lancaster House Agreement |
| 461 | 31 December 1979 | 11–0–4 | Condemns Iran for further holding of American embassy personnel |
| 462 | 9 January 1980 | 12–2–1 | Calls emergency General Assembly meeting to discuss the Soviet invasion of Afghanistan |
| 463 | 2 February 1980 | 14–0–0 | Implementation of the Lancaster House Agreement |
| 464 | 19 February 1980 | Adopted 15–0–0 | Admission of Saint Vincent and the Grenadines |
| 465 | 1 March 1980 | Adopted 15–0–0 | Israeli settlements |
| 466 | 11 April 1980 | Adopted 15–0–0 | South African attack on Zambia |
| 467 | 24 April 1980 | 12–0–3 | Attacks on the United Nations Interim Force in Lebanon |
| 468 | 8 May 1980 | 14–0–1 | Expulsion of Palestinian officials by Israel |
| 469 | 20 May 1980 | 14–0–1 | Calls on Israel to implement Resolution 468 |
| 470 | 30 May 1980 | 14–0–0 | Extends mandate of the United Nations Disengagement Observer Force |
| 471 | 5 June 1980 | 14–0–1 | Israeli settlements |
| 472 | 13 June 1980 | 14–0–0 | Extends mandate of the United Nations Peacekeeping Force in Cyprus |
| 473 | 13 June 1980 | Adopted 15–0–0 | Condemns apartheid in South Africa |
| 474 | 17 June 1980 | 12–0–2 | Extends mandate of the United Nations Interim Force in Lebanon |
| 475 | 27 June 1980 | 12–0–3 | South African attack on Angola |
| 476 | 30 June 1980 | 14–0–1 | Territories occupied by Israel |
| 477 | 30 July 1980 | Adopted 15–0–0 | Admission of Zimbabwe to the United Nations |
| 478 | 20 August 1980 | 14–0–1 | Jerusalem Law |
| 479 | 28 September 1980 | Adopted 15–0–0 | Calls for cessation of military activities during the Iran–Iraq War |
| 480 | 12 November 1980 | Adopted 15–0–0 | Filling vacancies in the International Court of Justice |
| 481 | 26 November 1980 | 14–0–0 | Extends mandate of the United Nations Disengagement Observer Force |
| 482 | 11 December 1980 | 14–0–0 | Extends mandate of the United Nations Peacekeeping Force in Cyprus |
| 483 | 17 December 1980 | 12–0–2 | Extends mandate of the United Nations Interim Force in Lebanon |
| 484 | 19 December 1980 | Adopted 15–0–0 | Expulsion of Palestinian officials by Israel |
| 485 | 22 May 1981 | 14–0–0 | Extends mandate of the United Nations Disengagement Observer Force |
| 486 | 4 June 1981 | 14–0–0 | Extends mandate of the United Nations Peacekeeping Force in Cyprus |
| 487 | 19 June 1981 | Adopted 15–0–0 | Israeli attack on an Iraqi nuclear site certified by the International Atomic Energy Agency |
| 488 | 19 June 1981 | 12–0–2 | Extends mandate of the United Nations Interim Force in Lebanon |
| 489 | 8 July 1981 | Adopted 15–0–0 | Admission of the Republic of Vanuatu to the United Nations |
| 490 | 21 July 1981 | Adopted 15–0–0 | Airstrikes on Lebanon by Israel; precursor to the 1982 Lebanon War |
| 491 | 23 September 1981 | Adopted 15–0–0 | Admission of Belize to the United Nations |
| 492 | 10 November 1981 | Adopted 15–0–0 | Admission of Antigua and Barbuda to the United Nations |
| 493 | 23 November 1981 | 14–0-0 | Extends mandate of the United Nations Disengagement Observer Force |
| 494 | 11 December 1981 | Adopted 15–0–0 | Appointment of Javier Pérez de Cuéllar as Secretary General |
| 495 | 14 December 1981 | Adopted 15–0–0 | Extends mandate of the United Nations Peacekeeping Force in Cyprus |
| 496 | 15 December 1981 | Adopted 15–0–0 | Failed mercenary coup attempt in the Seychelles |
| 497 | 17 December 1981 | Adopted 15–0–0 | Israel's Golan Heights Law |
| 498 | 18 December 1981 | 13–0–2 | Extends mandate of the United Nations Interim Force in Lebanon |
| 499 | 21 December 1981 | Adopted 15–0–0 | Vacancies at the International Court of Justice |
| 500 | 28 January 1982 | 13–0–2 | Calls an emergency General Assembly meeting regarding Israel and the Golan Heights |