Than Phu Ying Sirikitiya Jensen (, born March 18, 1985), or Sirikittiya Mai Jensen, born Mai Jensen, is a granddaughter of King Bhumibol Adulyadej of Thailand and a niece of King Vajiralongkorn of Thailand. She is a daughter of Princess Ubolratana Rajakanya (the King's eldest daughter) and her American former husband Peter Ladd Jensen. She is also known by her birth name and nickname as Khun Mai.
- Occupation
- Q201788, Q5322166, Q674426
- Citizenship
- Q30, Q869
- Born
- March 18, 1985
