Princess Maha Chakri Sirindhorn

สิรินธรเทพรัตนสุดา กิติ วัฒนาดุลโสภาคย์;

Princess Maha Chakri Sirindhorn (Thai: มหาจักรีสิรินธร, , born Princess Sirindhorn Debaratanasuda Kitivadhanadulsobhak (Thai: สิรินธรเทพรัตนสุดา กิติวัฒนาดุลโสภาคย์;  Sirinthontheppharattanasuda Kitiwatthanadunlasophak) on 2 April 1955 is the second daughter of King Bhumibol Adulyadej.

Her full ceremonial title is Somdech Phra Debaratanarajasuda Chao Fa Maha Chakri Sirindhorn RathasimagunakornpiyajatSayamboromrajakumari (สมเด็จพระเทพรัตนราชสุดา เจ้าฟ้ามหาจักรีสิรินธร รัฐสีมาคุณากรปิยชาติ สยามบรมราชกุมารี; (Somdet Phra Theppharat Rat Suda Chao Fa Maha Chakkri Sirinthon

Ratthasima Khunakon Piyachat Sayam Borommaratchakumari), which was bestowed upon her on 5 December 1977. Thais commonly refer to

her by reducing such title to "Phra Thep", meaning "princess angel". Her title in Thai is the female equivalent of the title heldby her brother, Maha Vajiralongkorn. The Thai constitution was altered in 1974 to allow for female succession, thus making her eligible for the throne.

Princess Maha Chakri Sirindhorn
Princess Royal
Bhumibol Adulyadej
Sirikit
Buddhism
Chitralada Royal Villa
Chulalongkorn University
Srinakharinwirot University
Asian Institute of Technology
Royal Highness
Order of the Royal House of Chakri
Order of the Nine Gems
Order of Chula Chom Klao
Order of the White Elephant
Order of the Crown of Thailand
Order of the Direkgunabhorn
List of orders and medals of Thailand
Decoration of Honour for Services to the Republic of Austria
List of post-nominal letters (Brunei)
Order of the Dannebrog
Ordre des Palmes Académiques
Order of Merit of the Federal Republic of Germany
Order of the Precious Crown
Order of the National Flag
Order of Diplomatic Service Merit
Order of Loyalty to the Crown of Malaysia
Order of Sukhbaatar
Order of Ojaswi Rajanya
Order of the Crown (Netherlands)
Decorations and medals of the Netherlands
Hilal-i-Imtiaz
Order of Isabella the Catholic
Royal Order of the Seraphim
Order of the Crown of Tonga
Orders, decorations, and medals of Tonga
Royal Victorian Order
International Union of Nutritional Sciences
Friendship Award (China)
China Writers Association
Indira Gandhi Prize
Ramon Magsaysay Award
Doctor of Humane Letters

Princess Maha Chakri Sirindhorn
Somdet Phra Theppharat Rat Suda Chao Fa Maha Chakkri Sirinthon Ratthasima
Khunakon Piyachat Sayam Borommaratchakumari