Last modified: 1 January 2023
Engagements, marriages and divorces in reigning and non-reigning royal houses of the year 2020.
* = New
Engagements
| Date | Groom-to-be | Bride-to-be | Place |
| January 16 | Crown Prince Theyazin bin Haitham al Said of Oman | Sayeeda Meyyan bint Shihab al Said of Oman | |
| January 20 | Grand Duke George of Russia | Rebecca Bettarini | |
| January 22 | Prince Badr bin Saud al Saud of Saudi Arabia | Princess … bint Bandar bin Abdullah al Saud of Saudi Arabia | |
| February 10 | Sheikh Maktoum bin Hamad Al-Sharqi of Fujairah (UAE) | Sheikha Maryam bint Maktoum Al-Maktoum of Dubai (UAE) | |
| March | Prince Vincenz zu Fürstenberg | Georgina Melville | |
| April 6 | Prince Louis of Luxembourg | Scarlett-Lauren Sirgue | |
| April 9 | Jaafar Nabelsi | Princess Shirin bint Mired of Jordan (Iraq) | |
| June 25 | Javier Valladares Urruela | Princess Charlotte de Bourbon de Parme | |
| July | Prince Josef-Emanuel of Liechtenstein | María Claudia Echavarría Suárez | |
| July | Prince August zu Sayn-Wittgenstein-Berleburg | Mia Rohla | |
| August 21 | Hereditary Prince Paul Anton Esterházy de Galántha | Franziska von Reutter | Zillertal, Tirol, Austria |
| September 20 | Edmund Henry Jenner | Beatrice Victoria Prinzessin von Preussen | |
| November 16 | Prince Nicolas de Lobkowicz | Benedetta Zanardi Landi di Veano | |
| November 16 | Prince Karl de Lobkowicz | Astrid Dagneau de Richecour | |
| December | Hereditary Count Alexander Fugger von Babenhausen | Gabriella Stoudemire | |
| December 27 | William Isvy | Princess Maria-Laura of Belgium, Archduchess of Austria-Este |
Marriages
Despite covid-19 restrictions as far as I know all these weddings actually did take place.
| Date | Groom | Bride | Place |
| March 12 | Wan Putera Shahjuan | Amida Afsha Afzan Binti Dato ‘Indera Baharim (Pahang) | Grand Hyatt Hotel, Kuala Lumpur, Malaysia |
| March 27 | Prince Victor zu Stolberg-Stolberg | Andrea de la Lastra y Lozano | Sevilla, Spain |
| April 12 | Prince Nayef bin Asem of Jordan | Sharifa Farah bint Nasser Al Luhaimaq | Amman, Jordan |
| May 1 | Prince Konrad of Liechtenstein | Catalina de Biolley | |
| May 6 | King Misuzulu kaZwelithini of the Zulu | Ntokozo Mayisela | |
| May 15 (religious) | Alex Grubb Villiers-Stuart | Princess Teresa zu Sayn-Wittgenstein-Berleburg | Hamburg, Germany |
| May 22 | Prince Marc von Croÿ | Delia de Cossé Brissac | Saint-Vincent de Brissac, Maine-et-Loire, France |
| May 22 | Friedrich Prinz von Preussen | Mathilda Johnson | UK |
| June 5 (civil) | Benedikt Schmid von Schmidsfelden | Princess Amélie zu Löwenstein-Wertheim-Freudenberg | Town hall, Kreuzwertheim, Germany |
| June 5 (civil) | Philipp Eisl | Countess Tatjana zu Waldburg-Zeil-Hohenems | Salzburg (?), Austria |
| early June | Prince Fahad bin Saad of Saudi Arabia | Princess Hassa bint Salman Al-Saud of Saudi Arabia | |
| June 19 | Prince Heinrich von Croÿ | Maria Joana Spínola Moreira de Sotto-Mayor | Conventi Mafra, Portugal |
| June 26 (religious) | Károly Freiherr von Stipsicz de Ternova | Princess Flaminia von Hohenzollern | Church St. Johann, Sigmaringen, Germany |
| July 3 | Prince Dom Pedro Alberto de Orleans e Bragança (Brazil) | Alessandra Haegler Fragoso Pires | Imperial Church of Nossa Senhora da Glória do Outeiro, Rio de Janeiro, Brazil |
| July 3 | Yavuz Selim Osmanoğlu (Turkey) | Damla Işık | Maslak Pavilion, Istanbul, Turkey |
| July 10 | Count Franz von Colloredo-Mansfeld | Phoebe Harris | Chocorua Island, Holderness, New Hampshire, USA |
| July 17 (religious) | Count Cajetan von Toerring-Jettenbach | Princess Theresa of Liechtenstein | Waldstein Castle, Austria |
| July 17 | Prince Richard Lobkowicz | Phoebe Maglathlin | Woodstock Inn & Resort, VT, USA |
| July 17 | Count Gabriel Piatti | Countess Kalina von Starhemberg | Eferding, Austria |
| July 23 | Frank Floessel | Tessy Antony-de Nassau (Luxembourg) | Registry Office, Küsnacht, Switzerland |
| August 7 | Count Louis von Orsini und Rosenberg | Sophie | Fridau, Austria |
| August 28 (religious) | Prince Berthold von Baden | Nina Schröder | Amorbach Abbey, Germany |
| August 28 | Count Ludwig von Orsini und Rosenberg | Vaishali Raja | Grafenstein, Austria |
| August (civil) | Emanuele Musini | Princess Maria Anunciata of Liechtenstein | |
| September 4 (religious) | Emanuele Musini | Princess Maria Anunciata of Liechtenstein | Unsere Liebe Frau zu den Schotten, Vienna, Austria |
| September 11 | Saarvin Balasundram | Princess Elisabeth zu Löwenstein-Wertheim-Rosenberg | |
| September 11 | Count Konrad von Rechberg | Countess Elisabeth Kinsky | Strahov Monastery, Prague, Czechia |
| September 12 | Prince Rostislav Romanoff | Foteini Georganta | St. Alexander Nevsky Cathedral, Paris, France |
| September 24 (civil) | Grand Duke George of Russia | Rebecca Bettarini | Khamovniki district, Moscow, Russia |
| September 25 (religious) | Ralph Worthington | Princess Marie-Astrid of Liechtenstein | Duomo di Santa Maria Assunta, Orbetello, Italy |
| September 25 | The Duke of Noto (Two Sicilies) | Lady Charlotte Lindesay-Bethune | Duomo di Monreale, Sicily, Italy |
| October 1 (religious) | Grand Duke George of Russia | Rebecca Bettarini | St. Isaac’s Cathedral, Saint-Petersburg, Russia |
| October 2 (religious) | Philipp Eisl | Countess Tatjana zu Waldburg-Zeil-Hohenems | Parish Church St. Karl, Hohenems, Austria |
| October 4 | Jaafar Nabelsi | Princess Shirin bint Mired of Jordan (Iraq) | Amman, Jordan |
| October 9 (religious) | Prince Pedro Carlos de Orleans e Bragança (Brazil) | Patrícia Alvim Rodrigues | Petropolis, Brazil |
| October 9 (religious) | Fürst Alexander zu Schaumburg-Lippe | Mahkameh Navabi | Stadtkirche, Bückeburg, Germany |
| October 9 | Francisco Joaquín de Borbón y Hardenberg | Sophie Karoly | Capilla Real, Cathedral, Sevilla, Spain |
| October 23 (religious) | Prince Philippos of Greece | Nina Flohr | Metropolitan Cathedral, Athens, Greece |
| October 26 | Kei Komuro | Princess Mako of Akishino (Japan) | Tokyo, Japan |
| November 11 (21?) | Crown Prince Theyazin bin Haitham al Said of Oman | Sayeeda Meyyan bint Shihab al Said | Mazay Hall, Al Alam Palace, Muscat, Oman. |
| * November (religious) | Hereditary Prince Alexander von Hohenzollern | Michelle Keith | Sigmaringen, Germany |
| December, 20 (?) | Daniel Hamid Kadir Efendi Osmanoglu (Turkey) | Daria Lyakhova | Mirabell Castle, Salzburg, Austria |
Divorces
| Date | Name | Name | Place |
| May 18 | Prince Ghazi bin Mohammed of Jordan | Areej Omar Zawawi | |
| * Date unknown | Prince Jiří Lobkowicz | Zdenka Hojková | Czech Republic |