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Gwladwriaeth Pennaeth gwladwriaeth Pennaeth llywodraeth
Affganistan Hamid Karzai
Yr Aifft Mohamed Hussein Tantawi Kamal Ganzouri
Albania Bamir Topi Sali Berisha
Yr Almaen Joachim Gauck Angela Merkel
Algeria Abdelaziz Bouteflika Ahmed Ouyahia
Andorra Joan Enric Vives Sicília,
wedi'i gynrychioli gan Nemesi Marqués Oste,
a François Hollande,
wedi'i gynrychioli gan Christian Frémont
Antoni Martí
Angola José Eduardo dos Santos Paulo Kassoma
Antigua a Barbuda Elisabeth II,
wedi'i chynrychioli gan Louise Lake-Tack
Baldwin Spencer
Yr Ariannin Christina Fernández de Kirchner
Armenia Serzh Sargsyan Tigran Sargsyan
Awstralia Elisabeth II,
wedi'i chynrychioli gan Quentin Bryce
Julia Gillard
Awstria Heinz Fischer Werner Faymann
Azerbaijan Ilham Aliyev Artur Rasizade
Bahamas Elisabeth II,
wedi'i chynrychioli gan Arthur Foulkes
Hubert Ingraham
Bahrain Hamad ibn Isa Al Khalifah Khalifah ibn Sulman Al Khalifah
Bangladesh Zillur Rahman Sheikh Hasina Wazed
Barbados Elisabeth II,
wedi'i chynrychioli gan Elliot Belgrave (dros dro)
Freundel Stuart
Belarws Alexander Lukashenko Mikhail Myasnikovich
Belize Elisabeth II,
wedi'i chynrychioli gan Syr Colville Young
Dean Barrow
Benin Yayi Boni
Bhutan Jigme Khesar Namgyal Wangchuck Jigme Thinley
Bolifia Evo Morales
Bosnia a Hercegovina Željko Komšić
Bakir Izetbegović
Nebojša Radmanović
Vjekoslav Bevanda
Botswana Ian Khama
Brasil Dilma Rousseff
Brunei Hassanal Bolkiah
Burkina Faso Blaise Compaoré Luc-Adolphe Tiao
Bwlgaria Rosen Plevneliev Boyko Borisov
Bwrwndi Pierre Nkurunziza
Cambodia Norodom Sihamoni Hun Sen
Camerŵn Paul Biya Philémon Yang
Cabo Verde Jorge Carlos Fonseca José Maria Neves
Canada Elisabeth II,
wedi'i chynrychioli gan David Lloyd Johnston
Stephen Harper
Chile Sebastián Piñera
Colombia Juan Manuel Santos
Comoros Ikililou Dhoinine
Costa Rica Laura Chinchilla
Côte d'Ivoire Alassane Ouattara Jeannot Ahoussou-Kouadio
Croatia Ivo Josipović Zoran Milanović
Cuba Raúl Castro
Cyprus Dimitris Christofias
De Affrica Jacob Zuma
De Corea Lee Myung-bak Kim Hwang-sik
Denmarc Margrethe II Helle Thorning-Schmidt
De Sudan Salva Kiir Mayardit
Y Deyrnas Unedig Elisabeth II David Cameron
Djibouti Ismail Omar Guelleh Dileita Mohamed Dileita
Dominica Nicholas Liverpool Roosevelt Skerrit
Dwyrain Timor José Ramos Horta Xanana Gusmão
Ecwador Rafael Correa
Yr Eidal Giorgio Napolitano Mario Monti
El Salvador Mauricio Funes
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 Giuseppe Bertello
Fietnam Trương Tấn Sang Nguyễn Tấn Dũng
Fiji Epeli Nailatikau Frank Bainimarama
Ffrainc François Hollande Jean-Marc Ayrault
Y Ffindir Sauli Niinistö Jyrki Katainen
Gabon Ali Bongo Ondimba Raymond Ndong Sima
Y Gambia Yahya Jammeh
Georgia Mikhail Saakashvili Nikoloz Gilauri
Ghana John Atta Mills
Gogledd Corea Kim Il-sung (marw)
Kim Jong-un (awdurdod gweinyddol uchaf)
Kim Yong-nam ('Pennaeth Gwlad ar gyfer
Materion Tramor')
Choe Yong-rim
Grenada Elisabeth II,
wedi'i chynrychioli gan Carlyle Glean
Tillman Thomas
Guatemala Otto Pérez Molina
Guinée Alpha Condé Mohamed Said Fofana
Guiné-Bissau Mamadu Ture Kuruma gwag
Guinée Gyhydeddol Teodoro Obiang Nguema Mbasogo Vicente Ehate Tomi
Guyana Donald Ramotar Sam Hinds
Gweriniaeth Canolbarth Affrica François Bozizé Faustin-Archange Touadéra
Gweriniaeth y Congo Denis Sassou-Nguesso
Gweriniaeth Dominica Leonel Fernández
Gweriniaeth Ddemocrataidd Congo Joseph Kabila Louis Alphonse Koyagialo (dros dro)
Gweriniaeth Iwerddon Michael D. Higgins Enda Kenny
Gweriniaeth Macedonia Gjorge Ivanov Nikola Gruevski
Gweriniaeth Pobl China Hu Jintao Wen Jiabao
Gweriniaeth Tsiec Václav Klaus Petr Nečas
Gweriniaeth Tsieina Chen Shui-bian Chang Chun-hsiung
Gwlad Belg Albert II Elio Di Rupo
Gwlad Iorddonen Abdullah II Awn Shawkat Al-Khasawneh
Gwlad Pwyl Bronisław Komorowski Donald Tusk
Gwlad Swazi Mswati III, brenin Gwlad Swazi Themba Dlamini
Gwlad Thai Bhumibol Adulyadej Yingluck Shinawatra
Gwlad yr Iâ Ólafur Ragnar Grímsson Jóhanna Sigurðardóttir
Gwlad Groeg Karolos Papoulias Lucas Papademos
Haiti Michel Martelly Garry Conille
Honduras Porfirio Lobo Sosa
Hwngari László Kövér (dros dro) Viktor Orbán
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 Mark Rutte
Israel Shimon Peres Benjamin Netanyahu
Jamaica Elisabeth II,
wedi'i chynrychioli gan Patrick Allen
Portia Simpson-Miller
Japan Akihito Yoshihiko Noda
Kazakstan Nursultan Nazarbayev Karim Masimov
Kenya Mwai Kibaki Raila Odinga
Kiribati Anote Tong
Kuwait Sabah Al-Ahmad Al-Jaber Al-Sabah Jaber Al-Mubarak Al-Hamad Al-Sabah
Kyrgyzstan Almazbek Atambayev Omurbek Babanov
Laos Choummaly Sayasone Thongsing Thammavong
Latfia Andris Bērziņš Valdis Dombrovskis
Lesotho Letsie III, brenin Lesotho Pakalitha Mosisili
Libanus Michel Sleiman Najib Mikati
Liberia Ellen Johnson-Sirleaf
Libya Mustafa Abdul Jalil Abdurrahim El-Keib
Liechtenstein Hans-Adam II Klaus Tschütscher
Lithwania Dalia Grybauskaitė Andrius Kubilius
Lwcsembwrg Henri Jean-Claude Juncker
Madagascar Andry Rajoelina Omer Beriziky
Malawi Joyce Banda
Malaysia Abdul Halim Najib Tun Razak
Maldives Mohammed Waheed Hassan
Mali Dioncounda Traoré (dros dro) Cheick Modibo Diarra (dros dro)
Malta George Abela Lawrence Gonzi
Mauritania Mohamed Ould Abdel Aziz Moulaye Ould Mohamed Laghdaf
Mauritius Syr Monique Ohsan Bellepeau (dros dro) Navin Ramgoolam
Mexico Felipe Calderón
Moldofa Nicolae Timofti Vlad Filat
Monaco Albert II Michel Roger
Mongolia Tsakhiagiin Elbegdorj Sükhbaataryn Batbold
Montenegro Filip Vujanović Igor Lukšić
Moroco Mohammed VI Abdelilah Benkirane
Mosambic Armando Guebuza Aires Ali
Myanmar Thein Sein
Namibia Hifikepunye Pohamba Nahas Angula
Nauru Sprent Dabwido
Nepal Ram Baran Yadav Baburam Bhattarai
Nicaragua Daniel Ortega
Niger Mahamadou Issoufou Brigi Rafini
Nigeria Goodluck Jonathan
Norwy Harald V Jens Stoltenberg
Oman Qaboos bin Sa'id Al 'Bu Sa'id
Pakistan Asif Ali Zardari Yousaf Raza Gillani
Palau Johnson Toribiong
Panamá Martín Torrijos
Papua Guinea Newydd Elisabeth II,
wedi'i gynrychioli gan Syr Michael Ogio
Peter O'Neill
Paragwai Fernando Lugo
Periw Ollanta Humala René Cornejo Díaz
Pilipinas Benigno Aquino III
Portiwgal Aníbal Cavaco Silva Pedro Passos Coelho
Qatar Hamad bin Khalifa Hamad ibn Jaber al Thani
Rwmania Traian Băsescu Mihai Răzvan Ungureanu
Rwanda Paul Kagame Pierre Habumuremyi
Rwsia Dmitry Medvedev Vladimir Putin
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
Kenny Anthony
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 [[[Italo Righi]] a Maurizio Rattini
São Tomé a Príncipe Manuel Pinto da Costa Patrice Trovoada
Saudi Arabia Abdullah
Sbaen Juan Carlos Mariano Rajoy
Seland Newydd Elisabeth II,
wedi'i chynrychioli gan Jerry Mateparae
John Key
Sénégal Macky Sall Abdoul Mbaye
Serbia Slavica Đukić Dejanović (dros dro) Mirko Cvetković
Seychelles James Michel
Sierra Leone Ernest Bai Koroma
Singapore Tony Tan Keng Yam Lee Hsien Loong
Slofacia Ivan Gašparovič [[[Robert Fico]]
Slofenia Danilo Türk Janez Janša
Somalia Sharif Ahmed Abdiweli Mohamed Ali
Sri Lanka Mahinda Rajapaksa D. M. Jayaratne
Suriname Dési Bouterse
Swdan Omar al-Bashir
Sweden Siarl XVI Fredrik Reinfeldt
Y Swistir Doris Leuthard, Eveline Widmer-Schlump (Arlywydd), Ueli Maurer (Is-arlywydd), Didier Burkhalter, Simonetta Sommaruga, Johann Schneider-Ammann, Alain Berset
Syria Bashar al-Assad Adel Safar
Tajikistan Emomalii Rahmon Oqil Oqilov
Taleithiau Ffederal Micronesia Manny Mori
Tanzania Jakaya Kikwete Mizengo Pinda
Tchad Idriss Déby Emmanuel Nadingar
Togo Faure Gnassingbé Gilbert Houngbo
Tonga Tupou VI Sialeʻataongo Tuʻivakanō
Trinidad a Tobago George Maxwell Richards Kamla Persad-Bissessar
Tunisia Moncef Marzouki Hamadi Jebali
Turkmenistan Gurbanguly Berdimuhammedow
Twfalw Elisabeth II,
wedi'i chynrychioli gan Iakoba Italeli
Willy Telavi
Twrci Abdullah Gül Recep Tayyip Erdoğan
Yr Unol Daleithiau Barack Obama
Uruguay José Mujica
Uzbekistan Islom Karimov Shavkat Mirziyoyev
Vanuatu Iolu Abil Sato Kilman
Venezuela Hugo Chávez
Wcráin Viktor Yanukovych Mykola Azarov
Wganda Yoweri Museveni Amama Mbabazi
Yemen Abd Rabbuh Mansur Al-Hadi Mohammed Basindawa
Ynysoedd Marshall Christopher Loeak
Ynysoedd Solomon Elisabeth II,
wedi'i chynrychioli gan Frank Kabui
Gordon Darcy Lilo
Zambia Michael Sata
Zimbabwe Robert Mugabe Morgan Tsvangirai