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 | Alex Grubb Villiers-Stuart | Princess Teresa zu Sayn-Wittgenstein-Berleburg | |
| January | Saarvin Balasundram | Princess Elisabeth zu Löwenstein-Wertheim-Rosenberg | |
| March | Archia Akhavan-Kharazian | Princess Sofia zu Sayn-Wittgenstein-Sayn | |
| April | Philipp Eisl | Countess Tatjana zu Waldburg-Zeil-Hohenems | |
| May | Prince Jaime of Bourbon-Two Sicilies, Duke of Noto | Lady Charlotte Lindesay-Bethune | |
| May 30 | Benedikt Schmid von Schmidsfelden | Princess Amélie zu Löwenstein-Wertheim-Freudenberg | Garmisch-Partenkirchen, Germany |
| June | Count Benedikt zu Waldburg-Zeil-Hohenems | Countess Elisabeth von Rechberg | |
| June | Nobile Guy delle Piane | Princess Xenia von Croÿ | |
| July 6 | Victor Bergmann | Princess Gisela von und zu Liechtenstein | |
| July 5 | Prince Nayef bin Asem of Jordan | Sharifa Farah bint Nasser Alluhaymaq | |
| July 27 | Frederick Prinz von Preussen | Mathilda Johnson | |
| September 1 | Prince Philippos of Greece | Nina Flohr | |
| September 22 | Prince Konrad von und zu Liechtenstein | Catalina de Biolley | |
| October 2 | Prince Marc von Croÿ | Delia de Cossé Brissac | |
| October 25 | Hereditary Count Konrad von Rechberg | Countess Elisabeth Kinsky | |
| December 20 | Hereditary Duke Alexander zu Mecklenburg | Hande Macit |
Marriages
Despite covid-19 restrictions as far as I know all these weddings actually did take place.
| Date | Groom | Bride | Place |
| February 1 | Edward Heard | Princess Alexandra Romanoff | St Mary’s church, Rye, UK |
| February 1 | Ryan Wayne Ashmore | Princess Caroline Eva zu Sayn-Wittgenstein | Texas, USA |
| February 14 | Prince Alexander of Prussia | Jenny von Rumohr | München, Germany |
| March 14 | Phillip Michael Riley | Princess Kristen Marie zur Lippe-Weissenfeld | Rustburg, VA, USA |
| May (civil) | Matthias Lovrek | Countess Clara von Khevenhüller-Metsch | |
| May 20 | Count Adolph van Rechteren-Limpurg | Catharina Lucretia van Groningen | Utrecht / Hummelo, The Netherlands |
| * May 30 (civil) | Erik Heynke | Countess Fionna zu Solms-Laubach | Cavalleria Schloss Frankleben, Germany |
| June 6 | Constantin Freiherr von Wiedersperg-Leonrod | Princess Johanna Reuss | |
| June 27 (religious) | Matthias Lovrek | Countess Clara von Khevenhüller-Metsch | Pellendorf, Austria |
| July 4 (civil) | Károly Freiherr von Stipsicz de Ternova | Princess Flaminia von Hohenzollern | St. Anton am Arlberg, Austria |
| July 4 | Count Paul von Orsini und Rosenberg | Louise Müller-Schönau | Arzberg |
| July 7 | Ned Donovan “Fares” | Princess Raiyah bint Hussein of Jordan | Windsor, UK |
| * July 14 | Count Maximilian Waldbott von Bassenheim | Sabrina Schuelke | |
| July 17 | Edoardo Mapelli Mozzi | Princess Beatrice of York (UK) | Royal Chapel of All Saints at Royal Lodge, Windsor, UK |
| July 18 | Ian Baker | Princess Nadia zu Leiningen | Knox Presbyterian Church, Oakville, Ontario, Canada |
| July 20 (civil) | Jérôme D’Ambrosio | Archduchess Eleonore of Austria | Town hall, Monte-Carlo, Monaco |
| July 25 | Count Augustinus of Trauttmansdorff-Weinsberg | Princess Alice zu Hohenlohe-Waldenburg-Schillingsfürst | Castle Church, Ulrichskirchen, Austria |
| August (civil) | Archia Akhavan-Kharazian | Princess Sofia zu Sayn-Wittgenstein-Sayn | Town hall, St. Gilgen, Austria |
| August 8 (religious) | Archia Akhavan-Kharazian | Princess Sofia zu Sayn-Wittgenstein-Sayn | Filialkirche Sankt Lorenz, Mondsee, Austria |
| August 15 (religious) | Count Benedikt zu Waldburg-Zeil-Hohenems | Countess Elisabeth von Rechberg | St.-Martinus-Kirche, Donzdorf, Germany |
| September 12 | Prince Henri de Bourbon de Parme | Archduchess Gabriella of Austria | Schloss Tratzberg, Jenbach, Austria |
| September 12 (civil) | Fürst Alexander zu Schaumburg-Lippe | Mahkameh Navabi | Bückeburg Palace, Bückeburg, Germany |
| September 26 (religious) | Ferdinand Lovrek | Countess Vittoria von Waldburg zu Wolfegg und Waldsee | St. Katharina Church, Wolfegg, Germany |
| September 27 | Frederick Alexander Prinz von Preussen | The Hon. Antalya Nall-Cain | St John’s Church, Lemsford, UK |
| September | Prince Alexander von Fürstenberg | Alison Parker Kay | |
| October 17 | Constantin Lütgerath | Princess Clara zu Löwenstein-Wertheim-Rosenberg | |
| October 17 | William Ritchie | Sofia Prinzessin von Sachsen-Altenburg | |
| October 29 | Dasho Thinlay Norbu | Princess Eeuphelma Choden Wangchuck of Bhutan | Dechencholing Palace, Thimphu, Bhutan |
| October | Sheikh Mohammed bin Sultan bin Khalifa Al Nahyan of Abu Dhabi (UAE) | Sheikha Fatima bint Tahnoun bin Zayed Al Nahyan of Abu Dhabi (UAE) | |
| December 12 (civil) | Prince Philippos of Greece | Nina Flohr | St. Moritz, Switzerland |
| December 19 (civil) | Prince Marc von Croÿ | Delia de Cossé Brissac | Dülmen, Germany |
| December 21 | Maximilian Schweisfurth | Countess Ilka Isabelle von Platen Hallermund | |
| December 22 (civil) | Prince Constantin de Nassau | Kathryn Mechie | Gibraltar |
| December (civil) | Alex Grubb Villiers-Stuart | Princess Teresa zu Sayn-Wittgenstein-Berleburg | |
| Date unknown | Sheikh Hamad bin Ahmed bin Juma Al Maktoum of Dubai (UAE) | Sheikha Maitha bint Mohammed bin Tani bin Juma Al Maktoum of Dubai (UAE) | |
| Date unknown | Sheikh Suhail bin Manna Al Maktoum of Dubai (UAE) | Reem Beljafla | |
| Date unknown | Prince David Bagration-Mukhransky (Georgia) | Irina Begashvili | |
| Date unknown (civil) | Prince Berthold von Baden | Nina Schröder |