Rhestr arweinwyr cenedlaethol
Oddi ar Wicipedia
| Gwlad | Pennaeth Gwlad | Pennaeth Llywodraeth |
|---|---|---|
| Afghanistan | Hamid Karzai | |
| Yr Aifft | Hosni Mubarak | Ahmed Nazif |
| Albania | Bamir Topi | Sali Berisha |
| Yr Almaen | Horst Köhler | Angela Merkel |
| Algeria | Abdelaziz Bouteflika | Abdelaziz Belkhadem |
| Andorra | Joan Enric Vives Sicília, wedi'i gynrychioli gan Nemesi Marqués Oste, a Nicolas Sarkozy, wedi'i gynrychioli gan Philippe Massoni |
Albert Pintat |
| Angola | José Eduardo dos Santos | Fernando da Piedade Dias dos Santos |
| Antigua a Barbuda | Elisabeth II, wedi'i chynrychioli gan Louise Lake-Tack |
Baldwin Spencer |
| Yr Ariannin | Christina Fernández de Kirchner | |
| Armenia | Robert Kocharyan | Serzh Sargsyan |
| Awstralia | Elisabeth II, wedi'i chynrychioli gan Michael Jeffery |
Kevin Rudd |
| Awstria | Heinz Fischer | Alfred Gusenbauer |
| Azerbaijan | Ilham Aliyev | Artur Rasizade |
| Bahamas | Elisabeth II, wedi'i chynrychioli gan Arthur Dion Hanna |
Hubert Ingraham |
| Bahrain | Hamad ibn Isa Al Khalifah | Khalifah ibn Sulman Al Khalifah |
| Bangladesh | Iajuddin Ahmed | Fakhruddin Ahmed |
| Barbados | Elisabeth II, wedi'i chynrychioli gan Syr Clifford Husbands |
David Thompson |
| Belarus | Alexander Lukashenko | Sergey Sidorsky |
| Belize | Elisabeth II, wedi'i chynrychioli gan Syr Colville Young |
Said Musa |
| Benin | Yayi Boni | |
| Bhutan | Jigme Khesar Namgyal Wangchuck | Khandu Wangchuk |
| Bolivia | Evo Morales | |
| Bosna a Hercegovina | Nebojša Radmanović Haris Silajdžić Željko Komšić |
Nikola Špirić |
| Botswana | Festus Mogae | |
| Brasil | Luiz Inácio Lula da Silva | |
| Brunei | Hassanal Bolkiah | |
| Burkina Faso | Blaise Compaoré | Tertius Zongo |
| Bwlgaria | Georgi Purvanov | Sergey Stanishev |
| Bwrwndi | Pierre Nkurunziza | |
| Cambodia | Norodom Sihamoni | Hun Sen |
| Camerŵn | Paul Biya | Ephraïm Inoni |
| Cabo Verde | Pedro Pires | José Maria Neves |
| Canada | Elisabeth II, wedi'i chynrychioli gan Michaëlle Jean |
Stephen Harper |
| Chile | Michelle Bachelet | |
| Colombia | Álvaro Uribe | |
| Comoros | Ahmed Abdallah Mohamed Sambi | |
| Costa Rica | Óscar Arias | |
| Côte d'Ivoire | Laurent Gbagbo | Guillaume Soro |
| Croatia | Stjepan Mesić | Ivo Sanader |
| Cuba | Raúl Castro | |
| Cyprus | Tassos Papadopoulos | |
| De Affrica | Thabo Mbeki | |
| De Corea | Roh Moo-hyun | Han Duck-soo |
| Denmarc | Margrethe II | Anders Fogh Rasmussen |
| Y Deyrnas Unedig | Elisabeth II | Gordon Brown |
| Djibouti | Ismail Omar Guelleh | Dileita Mohamed Dileita |
| Dominica | Nicholas Liverpool | Roosevelt Skerrit |
| Dwyrain Timor | José Ramos Horta | Estanislau da Silva |
| Ecwador | Rafael Correa | |
| Yr Eidal | Giorgio Napolitano | Romano Prodi |
| El Salvador | Antonio Saca | |
| Emiradau Arabaidd Unedig | Khalifa bin Zayed Al Nahayan | Mohammed bin Rashid Al Maktoum |
| Estonia | Toomas Hendrik Ilves | Andrus Ansip |
| Eritrea | Isaias Afewerki | |
| Ethiopia | Girma Wolde-Giorgis | Meles Zenawi |
| Y Fatican | Pab Bened XVI | Tarcisio Bertone Giovanni Lajolo |
| Fiet Nam | Nguyễn Minh Triết | Nguyễn Tấn Dũng |
| Fiji | Josefa Iloilo | Frank Bainimarama |
| Ffrainc | Nicolas Sarkozy | François Fillon |
| Y Ffindir | Tarja Halonen | Matti Vanhanen |
| Gabon | Omar Bongo | Jean Eyeghe Ndong |
| Y Gambia | Yahya Jammeh | |
| Georgia | Mikhail Saakashvili | Zurab Noghaideli |
| Ghana | John Kufuor | |
| Gogledd Corea | Kim Il-sung (marw) Kim Jong-il (awdurdod gweinyddol uchaf) Kim Yong-nam ('Pennaeth Gwlad ar gyfer Materion Tramor') |
Kim Yong-il |
| Grenada | Elisabeth II, wedi'i chynrychioli gan Syr Daniel Williams |
Keith Mitchell |
| Guatemala | Óscar Berger | |
| Guinée | Lansana Conté | Lansana Kouyaté |
| Guiné-Bissau | João Bernardo Vieira | Martinho Ndafa Kabi |
| Guinée Gyhydeddol | Teodoro Obiang Nguema Mbasogo | Ricardo Mangue Obama Nfubea |
| Guyana | Bharrat Jagdeo | Sam Hinds |
| Gweriniaeth Canolbarth Affrica | François Bozizé | Élie Doté |
| Gweriniaeth y Congo | Denis Sassou-Nguesso | |
| Gweriniaeth Dominica | Leonel Fernández | |
| Gweriniaeth Ddemocrataidd Congo | Joseph Kabila | Antoine Gizenga |
| Gweriniaeth Iwerddon | Mary McAleese | Bertie Ahern |
| Gweriniaeth Macedonia | Branko Crvenkovski | Nikola Gruevski |
| Gweriniaeth Pobl China | Hu Jintao | Wen Jiabao |
| Gweriniaeth Tsiec | Václav Klaus | Mirek Topolánek |
| Gweriniaeth Tsieina | Chen Shui-bian | Chang Chun-hsiung |
| Gwlad Belg | Albert II | Guy Verhofstadt |
| Gwlad Iorddonen | Abdullah II | Nader al-Dahabi |
| Gwlad Pwyl | Lech Kaczyński | Jarosław Kaczyński |
| Gwlad Swazi | Mswati III, brenin Gwlad Swazi | Themba Dlamini |
| Gwlad Thai | Bhumibol Adulyadej | Sonthi Boonyaratglin Surayud Chulanont |
| Gwlad yr Iâ | Ólafur Ragnar Grímsson | Geir Haarde |
| Gwlad Groeg | Karolos Papoulias | Kostas Karamanlis |
| Haiti | René Préval | Jacques-Édouard Alexis |
| Honduras | Manuel Zelaya | |
| Hwngari | László Sólyom | Ferenc Gyurcsány |
| India | Pratibha Patil | Manmohan Singh |
| Indonesia | Susilo Bambang Yudhoyono | |
| Irac | Jalal Talabani | Nouri al-Maliki |
| Iran | Ali Khamenei (Rahbar - "arweinydd"); Mahmoud Ahmadinejad (arlywydd) | |
| Yr Iseldiroedd | Beatrix | Jan Peter Balkenende |
| Israel | Shimon Peres | Ehud Olmert |
| Jamaica | Elisabeth II, wedi'i chynrychioli gan Kenneth Hall |
Portia Simpson-Miller |
| Japan | Akihito | Yasuo Fukuda |
| Kazakstan | Nursultan Nazarbayev | Karim Masimov |
| Kenya | Mwai Kibaki | |
| Kiribati | Anote Tong | |
| Kuwait | Sabah Al-Ahmad Al-Jaber Al-Sabah | Nasser Al-Mohammed Al-Ahmed Al-Sabah |
| Kyrgyzstan | Kurmanbek Bakiyev | Almazbek Atambayev |
| Laos | Choummaly Sayasone | Bouasone Bouphavanh |
| Latfia | Valdis Zatlers | Aigars Kalvītis |
| Lesotho | Letsie III, brenin Lesotho | Pakalitha Mosisili |
| Libanus | Émile Lahoud | Fouad Siniora |
| Liberia | Ellen Johnson-Sirleaf | |
| Libya | Zentani Muhammad az-Zentani (de jure) Muammar al-Gaddafi (de facto) |
Shukri Ghanem |
| Liechtenstein | Hans-Adam II | Otmar Hasler |
| Lithuania | Valdas Adamkus | Gediminas Kirkilas |
| Lwcsembwrg | Henri | Jean-Claude Juncker |
| Madagascar | Marc Ravalomanana | Charles Rabemananjara |
| Malawi | Bingu wa Mutharika | |
| Malaysia | Mizan Zainal Abidin | Abdullah Ahmad Badawi |
| Maldives | Maumoon Abdul Gayoom | |
| Mali | Amadou Toumani Touré | Modibo Sidibé |
| Malta | Eddie Fenech Adami | Lawrence Gonzi |
| Mauritania | Sidi Ould Cheikh Abdallahi | Zeine Ould Zeidane |
| Mauritius | Syr Anerood Jugnauth | Navin Ramgoolam |
| México | Felipe Calderón | |
| Moldofa | Vladimir Voronin | Vasile Tarlev |
| Monaco | Albert II | Jean-Paul Proust |
| Mongolia | Nambaryn Enkhbayar | Sanjiin Bayar |
| Montenegro | Filip Vujanović | Željko Šturanović |
| Moroco | Mohammed VI | Abbas El Fassi |
| Mosambic | Armando Guebuza | Luisa Diogo |
| Myanmar | Than Shwe | Thein Sein |
| Namibia | Hifikepunye Pohamba | Nahas Angula |
| Nauru | Ludwig Scotty | |
| Nepal | Gyanendra | Girija Prasad Koirala |
| Nicaragua | Daniel Ortega | |
| Niger | Tandja Mamadou | Seyni Oumarou |
| Nigeria | Umaru Yar'Adua | |
| Norwy | Harald V | Jens Stoltenberg |
| Oman | Qaboos bin Sa'id Al 'Bu Sa'id | |
| Pakistan | Pervez Musharraf | Muhammad Mian Soomro |
| Palau | Tommy Remengesau | |
| Panamá | Martín Torrijos | |
| Papua Guinea Newydd | Elisabeth II, represented by Syr Paulias Matane |
Syr Michael Somare |
| Paragwai | Nicanor Duarte | |
| Periw | Alan García | Jorge Del Castillo |
| Pilipinas | Gloria Macapagal-Arroyo | |
| Portiwgal | Aníbal Cavaco Silva | José Sócrates |
| Qatar | Hamad bin Khalifa | Hamad ibn Jaber al Thani |
| Rwmania | Traian Băsescu | Călin Popescu-Tăriceanu |
| Rwanda | Paul Kagame | Bernard Makuza |
| Rwsia | Vladimir Putin | Viktor Zubkov |
| St. Kitts a Nevis | Elisabeth II, wedi'i chynrychioli gan Syr Cuthbert Sebastian |
Denzil Douglas |
| St. Lucia | Elisabeth II, wedi'i chynrychioli gan Dame Pearlette Louisy |
Stephenson King |
| St. Vincent a'r Grenadines | Elisabeth II, wedi'i chynrychioli gan Syr Frederick Ballantyne |
Ralph Gonsalves |
| Samoa | Tupua Tamasese Tupuola Tufuga Efi | Tuila'epa Sailele Malielegaoi |
| San Marino | Alessandro Mancini a Alessandro Rossi | Fiorenzo Stolfi |
| São Tomé a Príncipe | Fradique de Menezes | Tomé Vera Cruz |
| Saudi Arabia | Abdullah | |
| Sbaen | Juan Carlos | José Luis Rodríguez Zapatero |
| Seland Newydd | Elisabeth II, wedi'i chynrychioli gan Anand Satyanand |
Helen Clark |
| Sénégal | Abdoulaye Wade | Cheikh Hadjibou Soumaré |
| Serbia | Boris Tadić | Vojislav Koštunica |
| Seychelles | James Michel | |
| Sierra Leone | Ernest Bai Koroma | |
| Singapore | Sellapan Ramanathan | Lee Hsien Loong |
| Slofacia | Ivan Gašparovič | Robert Fico |
| Slofenia | Janez Drnovšek | Janez Janša |
| Somalia | Abdullahi Yusuf Ahmed | Nur Hassan Hussein |
| Sri Lanka | Mahinda Rajapaksa | Ratnasiri Wickremanayake |
| Suriname | Ronald Venetiaan | Jules Ajodhia |
| Sweden | Siarl XVI | Göran Persson |
| Y Swistir | Moritz Leuenberger, Pascal Couchepin (Is-Arlywydd), Samuel Schmid, Micheline Calmy-Rey (Arlywydd), Christoph Blocher, Hans-Rudolf Merz, Doris Leuthard | |
| Swdan | Omar al-Bashir | |
| Syria | Bashar al-Assad | Mohammed Naji al-Otari |
| Tajikistan | Emomalii Rahmon | Oqil Oqilov |
| Taleithiau Ffederal Micronesia | Manny Mori | |
| Tanzania | Jakaya Kikwete | Edward Lowassa |
| Tchad | Idriss Déby | Delwa Kassiré Koumakoye |
| Togo | Faure Gnassingbé | Komlan Mally |
| Tonga | George Tupou V | Feleti Sevele |
| Trinidad a Tobago | George Maxwell Richards | Patrick Manning |
| Tunisia | Zine El Abidine Ben Ali | Mohamed Ghannouchi |
| Turkmenistan | Gurbanguly Berdimuhammedow | |
| Twfalw | Elisabeth II, represented by Filoimea Telito |
Apisai Ielemia |
| Twrci | Ahmet Necdet Sezer | Recep Tayyip Erdoğan |
| Yr Unol Daleithiau | George W. Bush | |
| Uruguay | Tabaré Vázquez | |
| Uzbekistan | Islom Karimov | Shavkat Mirziyoyev |
| Vanuatu | Kalkot Mataskelekele | Ham Lini |
| Venezuela | Hugo Chávez | |
| Wcráin | Viktor Yushchenko | Viktor Yanukovych |
| Wganda | Yoweri Museveni | Apolo Nsibambi |
| Yemen | Ali Abdallah Saleh | Ali Mohammed Mujur |
| Ynysoedd Marshall | Kessai Note | |
| Ynysoedd Solomon | Elisabeth II, wedi'i chynrychioli gan Syr Nathaniel Waena |
Manasseh Sogavare |
| Zambia | Levy Mwanawasa | |
| Zimbabwe | Robert Mugabe | |

