Defnyddiwr:Paul-L/Arweinwyr Cenhedlaethol
Oddi wrth Wicipedia, y gwyddoniadur rhydd.
[golygu] Rhestr Arweinwyr Cenhedlaethol
| Gwlad | Pennaeth Gwlad | Pennaeth Llywodraeth | 
|---|---|---|
| Affganistan | Hamid Karzai | |
| Albania | Alfred Moisiu | Fatos Nano | 
| Yr Almaen | Johannes Rau | Gerhard Schröder | 
| Algeria | Abdelaziz Bouteflika | Ahmed Ouyahia | 
| Andorra | Joan Enric Vives Sicília (represented by Nemesi Marqués Oste) and Jacques Chirac (represented by Frédéric de Saint-Sernin) | Marc Forné Molné | 
| Yr Ariannin | Néstor Kirchner | |
| Armenia | Robert Kocharyan | Andranik Markaryan | 
| Aserbaijan | Ilham Aliyev | Artur Rasizade | 
| Awstralia | Elizabeth II, represented by Michael Jeffery | John Howard | 
| Awstria | Thomas Klestil | Wolfgang Schüssel | 
| Y Bahamas | Elisabeth II o'r Deyrnas Unedig, represented by Dame Ivy Dumont | Perry Christie | 
| Bahrain | Hamad ibn Isa Al Khalifah | Khalifah ibn Sulman Al Khalifah | 
| Belarus | Alexander Lukashenko | Sergey Sidorsky | 
| Bhutan | Jigme Singye Wangchuck | Lyonpo Jigme Thinley | 
| Bolifia | Carlos Mesa | |
| Bosna a Hercegovina | Sulejman Tihić | Adnan Terzić | 
| Brasil | Luís Inácio Lula da Silva | |
| Bwlgaria | Georgi Purvanov | Simeon Saxe-Coburg-Gotha | 
| Camerwn | Paul Biya | Peter Mafany Musonge | 
| Canada | Elisabeth II, represented by Adrienne Clarkson | Paul Martin | 
| Casachstan | Nursultan Nazarbayev | Daniyal Akhmetov | 
| Chad | Idriss Déby | Moussa Faki | 
| Chile | Ricardo Lagos | |
| Ciwba | Fidel Castro | |
| Colombia | Álvaro Uribe | |
| Cyprus | Tassos Papadopoulos | |
| Costa Rica | Abel Pacheco | |
| Croatia | Stjepan Mesic | Ivo Sanader | 
| Cyn-weriniaeth Iwgoslafaidd Macedonia | Ljupco Jordanovski | Branko Crvenkovski | 
| Cyrgystan | Askar Akayev | Nikolai Tanayev | 
| De Affrica | Thabo Mbeki | |
| De Corea | Roh Moo-hyun | Goh Kun | 
| Denmarc | Margrethe II | Anders Fogh Rasmussen | 
| Y Deyrnas Unedig | Elisabeth II | Tony Blair | 
| Dinas y Fatican | Pab Ioan Pawl II | Angelo Cardinal Sodano | 
| Yr Aifft | Hosni Mubarak | Atef Ebeid | 
| Ecwador | Lucio Gutiérrez | |
| Yr Eidal | Giorgio Napolitano | Romano Prodi | 
| El Salvador | Francisco Flores | |
| Estonia | Arnold Rüütel | Juhan Parts | 
| Feneswela | Hugo Chávez | |
| Fiet Nam | Tran Duc Luong | Phan Van Khai | 
| Ffiji | Josefa Iloilo | Laisenia Qarase | 
| Ffrainc | Jacques Chirac | Jean-Pierre Raffarin | 
| Y Ffindir | Tarja Halonen | Matti Vanhanen | 
| Gabon | Omar Bongo | Jean-François Ntoutoume Emane | 
| Georgia | Mikhail Saakashvili | Zurab Zhvania | 
| Gogledd Corea | Kim Yong Nam ("Head of State for Foreign Affairs"); Kim Jong Il (highest administrative authority) | Pak Pong Ju | 
| Grenada | Elizabeth II, represented by Syr Daniel Williams | Keith Mitchell | 
| Gwatemala | Óscar Berger | |
| Gweriniaeth Iwerddon | Mary McAleese | Bertie Ahern | 
| Gweriniaeth Poblogol Tseina | Hu Jintao | Wen Jiabao | 
| Gwlad Belg | Albert II | Guy Verhofstadt | 
| Gwlad Pwyl | Aleksander Kwasniewski | Leszek Miller | 
| Gwlad Thai | Bhumibol Adulyadej | Thaksin Shinawatra | 
| Gwlad yr Iâ | Ólafur Ragnar Grímsson | Davíð Oddsson | 
| Gwlad Groeg | Costis Stephanopoulos | Costas Caramanlis | 
| Haiti | Boniface Alexandre | Yvon Neptune | 
| Hondwras | Ricardo Maduro | |
| India | A.P.J. Abdul Kalam | Atal Bihari Vajpayee | 
| Indonesia | Megawati Sukarnoputri | |
| Irac | Jalal Talabani | Nouri al-Maliki | 
| Iran | Ali Khamenei (Rahbar - "leader"); Mohammad Khatami (president) | |
| Yr Iseldiroedd | Beatrix | Jan Peter Balkenende | 
| Israel | Moshe Katsav | Ariel Sharon | 
| Jamaica | Elizabeth II, represented by Sir Howard Cooke | Percival Patterson | 
| Kuwait | Jabir al-Ahmad al-Jabir al-Sabah | Sabah al-Ahmad al-Jabir al-Sabah | 
| Latfia | Vaira Vike-Freiberga | Indulis Emsis | 
| Lesotho | Letsie III | Pakalitha Mosisili | 
| Liberia | Gyude Bryant | |
| Libya | Mu'ammar Al Qathafi (de facto); Zentani Muhammad az-Zentani (de jure) | Shukri Ghanem | 
| Liechtenstein | Hans-Adam II | Otmar Hasler | 
| Lithwania | Rolandas Paksas | Algirdas Brazauskas | 
| Lwcsembwrg | Henri | Jean-Claude Juncker | 
| Madagascar | Marc Ravalomanana | Jacques Sylla | 
| Mali | Amadou Toumani Touré | Ahmed Mohamed Ag Hamani | 
| Malta | Guido de Marco | Eddie Fenech Adami | 
| Mecsico | Vicente Fox | |
| Moldofa | Vladimir Voronin | Vasile Tarlev | 
| Monaco | Rainier III | Patrick Leclercq | 
| Mongolia | Natsagiyn Bagabandi | Nambaryn Enhbayar | 
| Montenegro | Filip Vujanović | Milo Đukanović | 
| Moroco | Mohammed VI | Driss Jettou | 
| Namibia | Sam Nujoma | Theo-Ben Gurirab | 
| Niger | Tandja Mamadou | Hama Amadou | 
| Nigeria | Olusegun Obasanjo | |
| Norwy | Harald V | Kjell Magne Bondevik | 
| Oman | Qaboos ibn Sa'id Al Sa'id | |
| Pacistan | Pervez Musharraf | Zafarullah Khan Jamali | 
| Panama | Mireya Moscoso | |
| Papwa Gini Newydd | Elisabeth II, represented by Bill Skate | Sir Michael Somare | 
| Paragwai | Nicanor Duarte | |
| Periw | Alejandro Toledo | Carlos Ferrero | 
| Y Philipinau | Gloria Macapagal-Arroyo | |
| Portiwgal | Jorge Sampaio | José Manuel Durão Barroso | 
| Qatar | Hamad ibn Khalifah Al Thani | Abdallah ibn Khalifah Al Thani | 
| Romania | Ion Iliescu | Adrian Nastase | 
| Rwanda | Paul Kagame | Bernard Makuza | 
| Rwsia | Vladimir Putin | Mikhail Fradkov | 
| Sambia | Levy Mwanawasa | |
| San Marino | Giovanni Lonfernini and Valeria Ciavatta | |
| São Tomé a Príncipe | Fradique de Menezes | Maria das Neves | 
| Sawdi Arabia | Fahd | Fahd (de jure), Abdullah (de facto) | 
| Sbaen | Juan Carlos I | José María Aznar | 
| Seland Newydd | Elizabeth II, represented by Dame Silvia Cartwright | Helen Clark | 
| Sénégal | Abdoulaye Wade | Idrissa Seck | 
| Serbia | Svetozar Marović | |
| Seychelles | France-Albert René | |
| Siapan | Akihito | Junichiro Koizumi | 
| Sierra Leone | Ahmad Tejan Kabbah | |
| Simbabwe | Robert Mugabe | |
| Slofacia | Rudolf Schuster | Mikulás Dzurinda | 
| Slofenia | Janez Drnovsek | Anton Rop | 
| Somalia | Abdulkassim Salat Hassan | Muhammad Abdi Yusuf | 
| Sri Lanca | Chandrika Kumaratunga | Ranil Wickremesinghe | 
| Sweden | Carl XVI Gustav | Göran Persson | 
| Y Swistir | Moritz Leuenberger, Pascal Couchepin, Joseph Deiss (President), Samuel Schmid, Micheline Calmy-Rey, Christoph Blocher, Hans-Rudolf Merz | |
| Syria | Bashar al-Assad | Mohammed Naji al-Otari | 
| Tajicistan | Emomali Rahmonov | Okil Okilov | 
| Talaethau Ffederal Micronesia | Joseph Urusemal | |
| Tonga | Taufa'ahau Tupou IV | 'Ulukalala Lavaka Ata | 
| Y Traeth Ifori | Laurent Gbagbo | Seydou Diarra | 
| Tuvalu | Elizabeth II, represented by Faimalaga Luka | Saufatu Sopoanga | 
| Twrci | Ahmet Necdet Sezer | Recep Tayyip Erdogan | 
| Twrcmenistan | Saparmurat Niyazov | |
| Unol Daleithiau America | George W. Bush | |
| Yr Wcrain | Leonid Kuchma | Viktor Yanukovych | 
| Y Weriniaeth Tsiec | Václav Klaus | Vladimír Špidla | 
| Wsbecistan | Islam Karimov | Shavkat Mirziyayev | 
| Yemen | Ali Abdallah Saleh | Abdul Qadir Bajamal | 
| Ynysoedd Marshall | Kessai Note | |
| Ynysoedd Solomon | Elizabeth II, represented by Sir John Lapli | Allan Kemakeza | 
[golygu] Original English to be translated (and updated)
| Country | Pennaeth Gwlad | Pennaeth Llywodraeth | 
|---|---|---|
| Angola | José Eduardo dos Santos | Fernando da Piedade Dias dos Santos | 
| Antigua and Barbuda | Elizabeth II, represented by Syr James Carlisle | Lester Bird | 
| Bangladesh | Iajuddin Ahmed | Khaleda Zia | 
| Barbados | Elizabeth II, represented by Sir Clifford Husbands | Owen Arthur | 
| Belize | Elizabeth II, represented by Sir Colville Young | Said Musa | 
| Benin | Mathieu Kérékou | |
| Botswana | Festus Mogae | |
| Brunei | Hassanal Bolkiah | |
| Burkina Faso | Blaise Compaoré | Ernest Paramanga Yonli | 
| Burundi | Domitien Ndayizeye | |
| Cambodia | Norodom Sihanouk | Hun Sen | 
| Cape Verde | Pedro Pires | José Maria Neves | 
| Central African Republic | François Bozizé | Célestin Gaombalet | 
| Comoros | Azali Assoumani | |
| Congo (Brazzaville) | Denis Sassou-Nguesso | |
| Congo (Kinshasa) | Joseph Kabila | |
| Djibouti | Ismael Omar Guelleh | Dileita Mohamed Dileita | 
| Dominica | Nicholas Liverpool | Roosevelt Skerrit | 
| Dominican Republic | Hipólito Mejía | |
| East Timor | Xanana Gusmão | Mari Alkatiri | 
| Equatorial Guinea | Teodoro Obiang Nguema Mbasogo | Cándido Muatetema Rivas | 
| Eritrea | Isaias Afewerki | |
| Ethiopia | Girma Wolde-Giorgis | Meles Zenawi | 
| Gambia | Yahya Jammeh | |
| Ghana | John Kufuor | |
| Guinea | Lansana Conté | François Lonseny Fall | 
| Guinea-Bissau | Henrique Rosa | Artur Sanhá | 
| Guyana | Bharrat Jagdeo | Sam Hinds | 
| Hungary | Ferenc Mádl | Péter Medgyessy | 
| Jordan | Abdullah II | Faisal al-Fayez | 
| Kenya | Mwai Kibaki | |
| Kiribati | Anote Tong | |
| Laos | Khamtai Siphandon | Boungnang Vorachith | 
| Lebanon | Émile Lahoud | Rafiq Hariri | 
| Malawi | Bakili Muluzi | |
| Malaysia | Tuanku Syed Sirajuddin | Abdullah Ahmad Badawi | 
| Maldives | Maumoon Abdul Gayoom | |
| Mauritania | Maaouya Ould Sid'Ahmed Taya | Sghair Ould M'bareck | 
| Mauritius | Anerood Jugnauth | Paul Bérenger | 
| Mozambique | Joaquim Chissano | Luisa Diogo | 
| Myanmar | Than Shwe | Khin Nyunt | 
| Nauru | René Harris | |
| Nepal | Gyanendra | Surya Bahadur Thapa | 
| Nicaragua | Enrique Bolaños | |
| Palau | Tommy Remengesau | |
| St. Kitts and Nevis | Elisabeth II, represented by Sir Cuthbert Sebastian | Denzil Douglas | 
| St. Lucia | Elisabeth II, represented by Dame Pearlette Louisy | Kenny Anthony | 
| St. Vincent and the Grenadines | Elizabeth II, represented by Sir Frederick Ballantyne | Ralph Gonsalves | 
| Samoa | Malietoa Tanumafili II | Tuila'epa Sailele Malielegaoi | 
| Singapore | S.R. Nathan | Goh Chok Tong | 
| Sudan | Omar Hassan Ahmad al-Bashir | |
| Suriname | Ronald Venetiaan | Jules Ajodhia | 
| Swaziland | Mswati III | Themba Dlamini | 
| Taiwan (ROC) | Chen Shui-bian | Yu Shyi-kun | 
| Tanzania | Benjamin Mkapa | Frederick Sumaye | 
| Togo | Gnassingbé Eyadéma | Koffi Sama | 
| Trinidad and Tobago | Maxwell Richards | Patrick Manning | 
| Tunisia | Zine El Abidine Ben Ali | Mohamed Ghannouchi | 
| Uganda | Yoweri Museveni | Apolo Nsibambi | 
| United Arab Emirates | Zayed ibn Sultan Al Nahayan | Maktoum bin Rashid Al Maktoum | 
| Uruguay | Jorge Batlle | |
| Vanuatu | John Bani | Edward Natapei | 

