Last modified: 1 March 2021
Deaths in reigning and non-reigning royal houses of the year 2009.
* = New!
| Date | Name | Age | Place |
| 2 January | Altgraf Niklas zu Salm-Reifferscheidt-Raitz, Ungnad Graf von Weissenwolff | 66 | |
| 2 January | Sheikh Rashid bin Ahmed Al-Mualla, Ruler of Umm Al Qaiwain (UAE) | London,UK | |
| 10 January | Countess Isabelle von Loë née Princess zu Salm-Salm | 105 | Kevelaer, Germany |
| 11 January | Princess Aljawharah bint Faisal bin Hathlool bin Nasir al Saud of Saudi Arabia | Riyadh, Saudi Arabia | |
| 15 January | Dermot Hugh Blundell-Hollinshead-Blundell (Windisch-Graetz) | 73 | |
| 17 February | Christa Rogge née Countess von Platen-Hallermund | 76 | Redderse (?), Germany |
| 23 February | Princess Lalla Amina of Morocco | Meknès, Morocco | |
| * 26 February | Princess Marie Christiane von und zu Liechtenstein, marquise de Roys | 76 | Paris, France |
| 27 February | Prince Turki bin Faisal bin Turki (the first) bin Abdulaziz Al-Saud of Saudi Arabia | 58 | |
| 2 March | Countess Hella zu Solms-Rödelheim née Gessner | 85 | |
| 3 March (burial) | Wadha Munahi Abdul-Aziz Al-Enizi of Kuwait | 85 | |
| 13 March | Empress Medferiaswork of Ethiopia | 84 | Addis Abeba, Ethiopia |
| 23 March | Princess Luise of Prussia | 91 | Bückeburg Palace, Germany |
| 23 March | Sheikh Ahmad bin Juma Al Maktoum of Dubai (UAE) | 72 or 73 | |
| 26 March | Princess Lama bint Faisal bin Saud bin Abdulaziz al Saud of Saudi Arabia | 21 | |
| March | Princess Nino Bagrationi | 94 | |
| 2 April | Countess Elisabeth Enzenberg zum Freyen- und Jöchelsthurn née Princess Esterházy de Galántha | 78 | |
| 5 April | Count Hans Günter zu Solms-Laubach | 81 | München, Germany |
| 22 April | Sheikh Malek Abdulaziz Al-Malek Al-Sabah of Kuwait | 75 | |
| 24 April | Countess Christianne Fugger von Babenhausen | 49 | Dubai, UAE |
| 28 April | Princess Barbara zu Schleswig-Holstein née Fertsch | 47 | |
| 30 April (car crash) | Sheikh Fahd bin Jasem bin Mohammed Al Thani of Qatar | ||
| 1 May | Countess Maria Batthyány-Strattmann von Német-Ujvár née Countess Esterházy de Galántha | 86 | Budapest, Hungary |
| * 4 May | Princess Cécile de Croÿ née Dumont | 91 | Mougins, Alpes-Maritimes, France |
| 8 May | Sheikha Hayat Abdelaziz Al-Hmoud Al-Jarrah Al-Sabah of Kuwait | 63 | |
| 12 May | Prince Rahmat Ullah of Afghanistan | 87 | Rome, Italy |
| 12 May | Countess Elisabeth von Waldburg zu Zeil und Trauchburg | 84 | |
| 13 May | Raja Datuk Seri Baharom Sultan Yusuff Izzuddin Shah of Perak (Malaysia) | 83 | Taman Canning, Perak, Malaysia |
| 17 May | Sheikha Lulwa Abdullah al Sabah of Bahrain | 90 | |
| 18 May | Princess Elizabeth de Croÿ et de Solre | 87 | Refuge de Thiernay at La Fermeté, Thiernay, France |
| 19 May | Agnes Maria Risom née Countess von Rechberg | 87 | Stamford, CT, USA |
| 29 May | Countess Zdenka von Orsini und Rosenberg née Princess von Auersperg | 52 | |
| 1 June (air crash) | Prince Pedro Luiz de Orléans e Bragança (Brazil) | 26 | Atlantic Ocean |
| 6 June | Fatima Abdulaziz Shaheen Al-Ghanim of Kuwait | 77 | |
| 7 June | Sheikh Khalid Bin Salman Bin Abdullah Al-Khalifa of Bahrain | ||
| 25 June | Franz Albrecht Metternich-Sándor, Duke of Ratibor, Fürst of Corvey | 88 | Cetona, Italy |
| 30 June | Sheikh Atteyatellah bin Abdulrahman al-Khalifa of Bahrain | ||
| 10 July | Countess Beatrice von Platen Hallermund née Brüggemann | 90 | |
| 22 July | Princess Franziska zu Bentheim-Tecklenburg née Countess Hoyos | 87 | |
| 29 July | Eleonore Barber née Princess von Auersperg | 85 | |
| 29 July | Ayesha Gayatri Devi, Maharani of Jaipur née Princess of Cooch Behar | 90 | Satokben Durlabh Memorial Hospital, Jaipur, India |
| 1 August | Princess Felicitas of Prussia | 75 | Wohltorf, Germany |
| 5 August | Sheikha Hissa bint Salman Al-Khalifa of Bahrain | 75 or 76 | |
| 7 August | Herbert Freusberg (Platen Hallermund) | 94 | Gräfelfing, Germany |
| 12 August | Countess Elisabeth von Schaesberg | 82 | Starnberg, Germany |
| 13 August | Baroness Senta Rubido-Zichy de Zagorje et Zich née Princess zu Hohenlohe-Waldenburg-Schillingsfürst | 83 | Buenos Aires, Argentina |
| 17 August | Count Anton Széchényi (Auersperg) | 85 | Sankt Martin im Innkreis, Austria |
| 19 August | Countess Eleonore von Waldburg zu Zeil und Trauchburg née Princess of Bavaria | 90 | |
| 21 August | Princess Birgitte de Bourbon de Parme née Countess Holstein-Ledreborg | 87 | |
| 1 September | Princess Maria Cristina de Bourbon de Parme | 84 | Vienna, Austria |
| 1 September | Princess Clothilde von und zu Liechtenstein née Princess von Thurn und Taxis | 86 | Heidenheim an der Brenz, Germany |
| 2 September | Prince and Duke Antoine-Guillaume Louis d’Arenberg | 85 | Som Maraia, Pollensa, Spain |
| 4 September | Princess Alexandra zu Bentheim und Steinfurt née Princess zu Waldeck und Pyrmont | 84 | |
| 4 September | Prince Ernst-Josias von Sachsen-Coburg und Gotha | 44 | |
| 6 September | Angela Maria Smit née Countess von Salm-Hoogstraeten | 63 | Esbeek, The Netherlands (?) |
| 9 September | Prince Meinrad von Hohenzollern | 84 | Murnau-Hechendorf, Germany |
| * 16 September | Jean-Claude Lecomte (Napoléon) | 61 | La Tronche, Isère, France |
| 17 September | Sheikha Ghaya bint Sultan bin Salem Al Qasimi of Ras Al Khaimah (UAE) | ||
| 20 September | Prince Dominik von und zu Liechtenstein | 59 | Vienna, Austria |
| 22 September | Prince Hamidollah Khan Enayat Seraj of Afghanistan | 92 | |
| 23 September | Prince Ertugrul Osman of Turkey | 97 | Istanbul, Turkey |
| 26 September | Prince Mansour bin Mohammed bin Nawaf bin Abdulaziz of Saudi Arabia | 26 | USA |
| 3 October | Queen Fatima Al-Shifa Al-Sinousi of Libya | 97 or 98 | Cairo, Egypt |
| 4 October | Princess Brigitte Elisabeth von Hessen-Philippsthal-Barchfeld née Göllner | 59 | Kronberg im Taunus, Germany |
| 8 October | Sheikh Khaled Ali Sabah Al-Sabah Saud al-Sabah of Kuwait | 16 | |
| 10 October | Princess Magdalene of Prussia née Princess Reuss | 89 | Löwenstein Castle, Kleinheubach, Germany |
| 11 October | Joan Martí Alanis, former Co-Prince of Andorra, Bishop of Urgell | 81 | |
| 15 October | Sheikha Anisa Abdullah Al-Ahmad Al-Sabah of Kuwait | 75 | |
| 15 October | Fürstin Ruth-Erika zu Löwenstein-Wertheim-Freudenberg née von Buggenhagen | 87 | Kreuzwertheim Castle, Germany |
| 1 November | Baron Christian Nádherný von Borutin (Orsini und Rosenberg) | 70 | Friesach, Austria |
| 2 November | Princess Haya bint Abdulaziz bin Abdulrahman Al Saud of Saudi Arabia | 80 | King Faisal Specialist Hospital, Riyadh, Saudi Arabia |
| 3 November | Princess Ameera bint Abdul Aziz Al Saud of Saudi Arabia | ||
| 8 November | Leopoldine Huck née Countess von Khevenhüller-Metsch | 96 | |
| 19 November | Bibi Ahmad Hussain Bin Ali Al-Roumi of Kuwait | 85 | Kuwait |
| 21 November | Princess Patrícia de Orleans e Bragança (Brazil) | 44 or 46 | Petrópolis, Brazil |
| 25 November | Pengiran Sura Negara Pengiran Anak Hj Muhammad Bey Muntassir Pengiran Indera Mahkota Pengiran Anak Kemaludin Al-Haj of Brunei Darussalam | 53 | |
| 28 November | Sheikh Khaled Abdullah Saud Al-Malek Al-Sabah of Kuwait | 30 | |
| 29 November | Prince Alexander of Belgium | 67 | Villa Landsrode, Rhode-Saint-Genése, Belgium |
| 29 November | Princess Ferial of Egypt | 71 | Geneva, Switzerland |
| * 3 December | Léonore de Wertheimer née Countess von Wurmbrand-Stuppach | 82 | Neuilly-sur-Seine, Hauts-de-Seine, France |
| 6 December | Prince Dedo of Saxony | 87 | Pflegeheim K & S Seniorenresidenz, Radebeul, Germany |
| 11 December | Sheikh Sultan bin Saqr bin Mohammad Al Qasimi of Ras Al Khaimah (UAE) | ||
| 21 December | Princess Marie-Thérèse de Lobkowicz née Countess von und zu Trauttmansdorff-Weinsberg | 87 | |
| 26 December | Sheikh Saeed bin Hamdan bin Rashid Al Nuaimi of Ajman (UAE) | ||
| 27 December | Sheikh Rashid bin Ibrahim bin Mohammad Al-Khalifa of Bahrain |