# List of United Nations Security Council Resolutions 501 to 600

This is a list of United Nations Security Council Resolutions 501 to 600 adopted between 25 February 1982 and 19 October 1987.
* 1982
* 1983
* 1984
* 1985
* 1986
* 1987
| Resolution | Date | Vote | Concerns |
| 501 | 25 February 1982 | 13–0–2 (abstentions: Poland, USSR) | Increases size of the United Nations Interim Force in Lebanon |
| 502 | 3 April 1982 | 10–1–4 (against: Panama; abstentions: China, Poland, Spain, USSR) | Demands end to the Falklands War |
| 503 | 9 April 1982 | 15–0–0 | Death sentences of three African National Congress members in South Africa |
| 504 | 30 April 1982 | Adopted "by consensus" | Organisation of African Unity peacekeeping mission in Chad |
| 505 | 26 May 1982 | 15–0–0 | Negotiations in the aftermath of the Falklands War |
| 506 | 26 May 1982 | 15–0–0 | Extends mandate of the United Nations Disengagement Observer Force |
| 507 | 28 May 1982 | 15–0–0 | Report on failed foreign mercenary coup in the Seychelles |
| 508 | 5 June 1982 | 15–0–0 | Demands an end to hostilities in the 1982 Lebanon War |
| 509 | 6 June 1982 | 15–0–0 | Israeli invasion of Lebanon |
| 510 | 15 June 1982 | 15–0–0 | Extends mandate of the United Nations Peacekeeping Force in Cyprus |
| 511 | 18 June 1982 | 13–0–2 (abstentions: Poland, USSR) | Extends mandate of the United Nations Interim Force in Lebanon |
| 512 | 19 June 1982 | 15–0–0 | Humanitarian situation in Lebanon |
| 513 | 4 July 1982 | 15–0–0 | Humanitarian situation in Lebanon |
| 514 | 12 July 1982 | 15–0–0 | Calls for end of hostilities in the Iran–Iraq War |
| 515 | 29 July 1982 | 14–0–0 (United States did not participate in voting) | Blockade of Beirut by Israel |
| 516 | 1 August 1982 | 15–0–0 | Violations of ceasefire in Beirut |
| 517 | 4 August 1982 | 14–0–1 (abstention: US) | Calls for Israel to return its troops to previous positions |
| 518 | 12 August 1982 | 15–0–0 | Demands Israel and other parties strictly observe Security Council resolutions |
| 519 | 17 August 1982 | 13–0–2 (abstentions: Poland, USSR) | Extends mandate of the United Nations Interim Force in Lebanon |
| 520 | 17 September 1982 | 15–0–0 | Assassination of Lebanese President-elect Bachir Gemayel |
| 521 | 19 September 1982 | 15–0–0 | Massacre of Palestinians in Beirut by the Lebanese Forces militia |
| 522 | 4 October 1982 | 15–0–0 | Calls for ceasefire in war between Iraq and Iran |
| 523 | 18 October 1982 | 13–0–2 (abstentions: Poland, USSR) | Extends mandate of the United Nations Interim Force in Lebanon |
| 524 | 29 November 1982 | 15–0–0 | Extends mandate of the United Nations Disengagement Observer Force |
| 525 | 7 December 1982 | 15–0–0 | Death sentences of three African National Congress members in South Africa |
| 526 | 14 December 1982 | 15–0–0 | Extends mandate of the United Nations Peacekeeping Force in Cyprus |
| 527 | 15 December 1982 | 15–0–0 | South African attack on Lesotho |
| 528 | 21 December 1982 | Adopted "by consensus" | Arabic language in the Security Council |
| 529 | 18 January 1983 | 13–0–2 (abstentions: Poland, USSR) | Extends mandate of the United Nations Interim Force in Lebanon |
| 530 | 19 May 1983 | 15–0–0 | Tensions between Honduras and Nicaragua; Contadora Group efforts |
| 531 | 26 May 1983 | 15–0–0 | Extends mandate of the United Nations Disengagement Observer Force |
| 532 | 31 May 1983 | 15–0–0 | Condemns continued South African occupation of Namibia |
| 533 | 7 June 1983 | 15–0–0 | Death sentences of African National Congress members in South Africa |
| 534 | 15 June 1983 | 15–0–0 | Extends mandate of the United Nations Peacekeeping Force in Cyprus |
| 535 | 29 June 1983 | 15–0–0 | Endorses Mission to Lesotho report; assistance to Lesotho |
| 536 | 18 July 1983 | 13–0–2 (abstentions: Poland, USSR) | Extends mandate of the United Nations Interim Force in Lebanon |
| 537 | 22 September 1983 | 15–0–0 | Admission of Saint Kitts and Nevis to the United Nations |
| 538 | 18 October 1983 | 13–0–2 (abstentions: Poland, USSR) | Extends mandate of the United Nations Interim Force in Lebanon |
| 539 | 28 October 1983 | 14–0–1 (abstention: US) | Condemns continued South African occupation of Namibia |
| 540 | 31 October 1983 | 12–0–3 (abstentions: Malta, Nicaragua, Pakistan) | Condemns Iran–Iraq War |
| 541 | 18 November 1983 | 13–1–1 (against: Pakistan; abstention: Jordan) | Declaration of Independence of the Turkish Republic of Northern Cyprus |
| 542 | 23 November 1983 | 15–0–0 | Lebanese Civil War |
| 543 | 29 November 1983 | 15–0–0 | Extends mandate of United Nations Disengagement Observer Force |
| 544 | 15 December 1983 | 15–0–0 | Extends mandate of the United Nations Peacekeeping Force in Cyprus |
| 545 | 20 December 1983 | 14–0–1 (abstention: US) | South African occupation of southern Angola |
| 546 | 6 January 1984 | 13–0–2 (abstentions: UK, US) | South African attacks on Angola |
| 547 | 13 January 1984 | 15–0–0 | Death sentence on Benjamin Maloise in South Africa |
| 548 | 24 February 1984 | 15–0–0 | Admission of Brunei Darussalam to the United Nations. |
| 549 | 19 April 1984 | 13–0–2 (abstentions: Ukraine, USSR) | Extends mandate of the United Nations Interim Force in Lebanon |
| 550 | 11 May 1984 | 13–1–1 (against: Pakistan; abstention: US) | Secessionist activities in Cyprus |
| 551 | 30 May 1984 | 15–0–0 | Extends mandate of the United Nations Disengagement Observer Force |
| 552 | 1 June 1984 | 13–0–2 (abstentions: Nicaragua, Zimbabwe) | Iranian attacks on ships to and from the ports of Kuwait and Saudi Arabia |
| 553 | 15 June 1984 | 15–0–0 | Extends mandate of the United Nations Peacekeeping Force in Cyprus |
| 554 | 17 August 1984 | 13–0–2 (abstentions: UK, US) | South African general election, 1984 |
| 555 | 12 October 1984 | 13–0–2 (abstentions: Ukraine, USSR) | Extends mandate of the United Nations Interim Force in Lebanon |
| 556 | 23 October 1984 | 14–0–1 (abstention: US) | Massacres of those opposing apartheid in South Africa |
| 557 | 28 November 1984 | 15–0–0 | Extends mandate of the United Nations Disengagement Observer Force |
| 558 | 13 December 1984 | 15–0–0 | Arms production in South Africa despite arms embargo |
| 559 | 14 December 1984 | 15–0–0 | Extends mandate of the United Nations Peacekeeping Force in Cyprus |
| 560 | 12 March 1985 | 15–0–0 | Condemns repression in South Africa |
| 561 | 17 April 1985 | 13–0–2 (abstentions: Ukraine, USSR) | Extends the mandate of the United Nations Interim Force in Lebanon |
| 562 | 10 May 1985 | Adopted paragraph by paragraph | Nicaragua – United States relations; Contadora Group efforts |
| 563 | 21 May 1985 | 15–0–0 | Extends mandate of the United Nations Disengagement Observer Force |
| 564 | 31 May 1985 | 15–0–0 | Humanitarian situation in Lebanon |
| 565 | 14 June 1985 | 15–0–0 | Extends mandate of the United Nations Peacekeeping Force in Cyprus |
| 566 | 19 June 1985 | 13–0–2 (abstentions: UK, US) | Continued occupation of Namibia by South Africa |
| 567 | 20 June 1985 | 15–0–0 | South African attack on Angola |
| 568 | 21 June 1985 | 15–0–0 | South African attack on Botswana |
| 569 | 26 July 1985 | 13–0–2 (abstentions: UK, US) | Condemns apartheid system and killings in South Africa |
| 570 | 12 September 1985 | 15–0–0 | Vacancy at the International Court of Justice |
| 571 | 20 September 1985 | 15–0–0 | South African attack on Angola |
| 572 | 30 September 1985 | 15–0–0 | South African attack on Botswana |
| 573 | 4 October 1985 | 14–0–1 (abstention: US) | Israeli attack on Tunisia |
| 574 | 7 October 1985 | 15–0–0 (separate vote on paragraph 6) | South African attack on Angola |
| 575 | 17 October 1985 | 13–0–2 (abstentions: Ukraine, USSR) | Extends mandate of the United Nations Interim Force in Lebanon |
| 576 | 21 November 1985 | 15–0–0 | Extends mandate of the United Nations Disengagement Observer Force |
| 577 | 6 December 1985 | 15–0–0 (separate vote on paragraph 6) | South African attack on Angola |
| 578 | 12 December 1985 | 15–0–0 | Extends mandate of the United Nations Peacekeeping Force in Cyprus |
| 579 | 18 December 1985 | 15–0–0 | Increased incidents of hostage-taking |
| 580 | 30 December 1985 | 15–0–0 | South African attack on Lesotho |
| 581 | 13 February 1986 | 13–0–2 (abstentions: UK, US) | Condemns South African attacks on other countries in southern Africa |
| 582 | 24 February 1986 | 15–0–0 | Condemns continued military action in the Iran–Iraq War |
| 583 | 18 April 1986 | 15–0–0 | Extends mandate of the United Nations Interim Force in Lebanon |
| 584 | 29 May 1986 | 15–0–0 | Extends mandate of the United Nations Disengagement Observer Force |
| 585 | 13 June 1986 | 15–0–0 | Extends mandate of the United Nations Peacekeeping Force in Cyprus |
| 586 | 18 July 1986 | 15–0–0 | Extends mandate of the United Nations Interim Force in Lebanon |
| 587 | 23 September 1986 | 14–0–1 (abstention: US) | Condemns attacks on the United Nations Interim Force in Lebanon |
| 588 | 8 October 1986 | 15–0–0 | Calls for end of war between Iran and Iraq |
| 589 | 10 October 1986 | 15–0–0 | Recommends Javier Pérez de Cuéllar as Secretary-General for second term |
| 590 | 26 November 1986 | 15–0–0 | Extends mandate of the United Nations Disengagement Observer Force |
| 591 | 28 November 1986 | Adopted "by consensus" | Strengthens arms embargo against South Africa |
| 592 | 8 December 1986 | 14–0–1 (abstention: US) | Condemns killing of students by Israel in the Palestinian territories |
| 593 | 11 December 1986 | 15–0–0 | Extends mandate of the United Nations Peacekeeping Force in Cyprus |
| 594 | 15 January 1987 | 15–0–0 | Extends mandate of the United Nations Interim Force in Lebanon |
| 595 | 27 March 1987 | 15–0–0 | Vacancy at the International Court of Justice |
| 596 | 29 May 1987 | 15–0–0 | Extends mandate of the United Nations Disengagement Observer Force |
| 597 | 12 June 1987 | 15–0–0 | Extends mandate of the United Nations Peacekeeping Force in Cyprus |
| 598 | 20 July 1987 | 15–0–0 | Demands a ceasefire and protection for civilians during the Iran–Iraq War |
| 599 | 31 July 1987 | 15–0–0 | Extends mandate of the United Nations Interim Force in Lebanon |
| 600 | 19 October 1987 | 15–0–0 | The Republic of Nauru and the International Court of Justice |