Last modified: 28 February 2021
Deaths in reigning and non-reigning royal houses of the year 2008.
* = New
| Date | Name | Age | Place |
| 2 January | Sheikha Sabiha Abdulla al-Ahmed al-Jaber al-Sabah of Kuwait | 69 | |
| 2 January | Princess Galyani Vadhana of Thailand | 84 | Siriraj Hospital, Bangkok, Thailand |
| 7 January | Prince Georg zu Fürstenberg | 84 | |
| 14 January | Prince Vincenz von und zu Liechtenstein | 57 | Schloss Waldstein, Austria |
| 15 January | Prince Alfred von Croÿ | 82 | |
| 16 January | Prince George Bagration-Mukhrani (Georgia) | 63 | Tbilisi, Georgia |
| 21 January | Countess Rose-Marie von Strasoldo-Graffemberg née Princess zu Oettingen-Wallerstein | 84 | Bonn, Germany |
| 22 January | Sheikh Hmoud al-Ali al-Malik al-Sabah of Kuwait | 88 | |
| 26 January | Prince Franz Karl von Auersperg | 72 | |
| 27 January | Prince Botho zu Sayn-Wittgenstein-Hohenstein | 80 | Bad Reichenhall, Germany |
| 11 February | Freiherr Peter von Kap-Herr (Hohenlohe-Jagstberg) | 73 | |
| 18 February | Princess Neopila von Auersperg | 56 | |
| 23 February | Countess Alice Ricciardi-von Platen née Countess von Platen Hallermund | 97 | Cortona, Tuscany, Italy |
| 8 March | Princess Al-Bandari bint Abdul Aziz of Saudi Arabia | 80 | King Faisal Specialist Hospital & Research Center, Riyadh, Saudi Arabia |
| * 20 March | Prince Ferdinando of Bourbon-Two Sicilies, Duke of Castro | 81 | Draguignan, Var, France |
| 20 March | Karl-Josef Dierkes (Erbach-Schönberg) | 83 | |
| 1 April | Paul Druker (Belgium) | 70 | |
| 16 April | Count Carl Josef Henckel von Donnersmarck (Luxembourg) | 79 | Sliema, Malta |
| 16 April | Prince Konstantin zu Schaumburg-Lippe | 77 | |
| 18 April | Count Klaus Günter zu Stolberg-Wernigerode | 43 | Alpen, Germany |
| 24 April | Archduke Ramón of Austria | 50 | |
| 13 May | Sheikh Saad al-Abdullah al-Sabah, 14th Emir of Kuwait | 78 | |
| 20 May | Princess Marie Julie von Thurn und Taxis | 89 | |
| 28 May | Sheikha Awatif Salem al Ali Al Sabah of Kuwait | ||
| 30 May | Princess Eleonore von und zu Liechtenstein | 88 | Graz, Austria |
| 31 May | John Ambler (Sweden) | 83 | Banbury, Oxfordshire, UK |
| 2 or 3 June (helicopter crash) | Sheikh Nasser bin Zayed Al Nahyan of Abu Dhabi (UAE) | ||
| 14 June | Sheikha Hessa bin Mohammad bin Qassem bin Mohammad Al-Thani of Qatar | 98 | |
| 16 June | Countess Anna-Elisabeth von Harrach née Massa | 71 | Düsseldorf, Germany (?) |
| 21 June (shot) | Princess Sibongile Promise Magongo of Swaziland | 38 | Louisville, South Africa |
| 28 June | Sheikha Noura bint Sultan bin Saqr Al Qasimi of Sharjah (UAE) | ||
| 29 June | Count Johannes Kinsky von Wchinitz und Tettau (Reuss) | 43 | Prague, Czechia |
| 30 June | Alexander Erba Odescalchi, Principe di Monteleone (Austria) | 94 | Stockholm, Sweden |
| 5 July | Countess Karin von Pappenheim née von Veltheim-Harbke | 94 | |
| 7 July | Countess Maria Josepha von Hardenberg née Princess von Fürstenberg | 86 | Baden-Baden, Germany |
| 7 July | Princess Sultanah bint Abdul Aziz of Saudi Arabia | ||
| 8 July | Princess Fiona von Isenburg née Davidson | 91 | Langenselbold, Germany |
| 8 July | Count Josef Ferdinand von Oppersdorff (Schönburg-Glauchau) | 86 | |
| 9 July | Princess Hussa bint Abdul Aziz bin Abdullah bin Juluwi of Saudi Arabia | 45 | |
| * 12 July | Prince Franz zu Hohenlohe-Waldenburg-Schillingsfürst | 93 | Clamart, Hauts-de-Seine, France |
| 15 July | Princess Teresa zu Fürstenberg née Princess zur Lippe | 82 | Werenwag Castle, Beuron, Germany |
| 20 July | Prince Ferdinand-Johannes de Lobkowicz | 52 | Brussels, Belgium |
| * 22 July | Prince Fawaz bin Abdul Aziz Al Saud of Saudi Arabia | 74 | Neuilly-sur-Seine, Hauts-de-Seine, France |
| 23 July | Elisabeth Bubert née Countess zu Stolberg-Stolberg | 87 | Köln (Cologne), Germany |
| 1 August | Prince Michel Bagration de Moukhrani | 80 | France |
| 6 August | Crown Princess Francine of Montenegro née Navarro | 58 | Paris, France |
| 8 August | Sieglinde Heldman née Princess zur Lippe | 93 | Detmold, Germany |
| 11 August | Princess Fawziah Bint Mohammad Bin Abdullah Bin Turki Al-Saud of Saudi Arabia | 76 | |
| * 4 September | Lalla Bahia of Morocco | Rabat, Morocco | |
| 17 September | Princess Luluwah bint Abdulaziz of Saudi Arabia | 80 | |
| 17 September | Fürstin Iniga von Urach née Princess von Thurn und Taxis | 83 | Aufhausen am Starnberger See, Germany |
| 22 September | Prince Michael Andreevich Romanoff (Russia) | 88 | Sydney, Australia |
| 22 September | Prince Michel Feodorovitch Romanoff (Russia) | 84 | Paris, France |
| 22 September (suicide) | Count Petrus von Schaesberg | 40 | New York, NY, USA |
| 1 October | Sheikha May Abdullah al-Jaber al-Sabah of Kuwait | 50 | |
| 7 October | Princess Haya bint Saud bin Abdul Aziz al Saud of Saudi Arabia | ||
| 9 October | Sheikha Baibi Al-Ibrahim Al-Sabah of Kuwait | ||
| 12 October | Clementine Utermann, Countess zu Castell-Rüdenhausen | 96 | Roggersdorf, Germany |
| 15 October | Princess Maria Luisa zu Windisch-Grätz “Marilis” née Serra di Carafa | 87 | Rome, Italy |
| 16 October | Countess Elisabeth zu Pappenheim née Blankenburg | 84 | |
| 17 October | Prince Ludwig of Bavaria | 95 | |
| 30 October | Abinesh Shah (Nepal) | 32 or 35 | Norvic Hospital, Kathmandu, Nepal |
| 31 October | Prince Burhaneddin Cem Efendi of Turkey | New York, NY, USA | |
| 5 November | Princess Alexandra zu Salm-Horstmar | 55 | |
| 20 November | Countess Christiane Széchényi née Princess von Auersperg | 88 | |
| 28 November | Raja Perempuan Besar Perlis, Tengku Budriah Tengku Ismail (Malaysia) | 84 | Kuala Lumpur, Malaysia |
| 2 December | Princess Pema Tsedeun Yapshi Pheunkhang Lacham Kusho of Sikkim “Coocoola” | 84 | |
| 6 December | Martha von Bülow née Crawford “Sunny” (Auersperg) | 77 | Mary Manning Walsh Nursing Home, Manhattan, New York City, USA |
| 9 December | Sheikh Ali bin Rashid Al Mualla of Umm Al Qaiwain (UAE) | ||
| 15 December | Countess Ingrid van Rechteren Limpurg née Pieksma | 72 | Doetinchem, The Netherlands |
| 24 December | Dagmar Heine née Princess zu Schaumburg-Lippe widowed Kalau vom Hofe | 74 | |
| 27 December | Tuanku Ja’afar ibni Almarhum Tuanku Abdul Rahman, The Yang di-Pertuan Besar of Negeri Sembilan (Malaysia) | 86 | Tuanku Ja’afar Hospital, Seremban, Malaysia |
| 29 December | Lady Anne Cavendish-Bentinck | 92 | |
| 29 December | Countess Anna Maria von Pocci (Thurn und Taxis) | 64 | |
| Exact date unknown | Marion Malkowsky (Bavaria) | 62 or 63 |