Sinan Abdul Jabbar Abdullah (born 1947; Arabic: سنان عبد الله) is a Mandaean-American dentist and community leader.
His father Abdul Jabbar Abdullah was a physicist and university administrator who immigrated to the United States from Iraq, while his paternal grandfather was the Mandaean priest Ganzibra Abdullah bar Sam.
[2] He and his twin brother Haithem were the first Mandaeans born in the United States.
Their wedding ceremony was officiated by his grandfather, Ganzibra Abdullah bar Sam.
[3] He owns various Mandaean manuscripts that were analyzed by scholars such as Jorunn Jacobsen Buckley[1] and Charles G. Häberl, including a photocopy of a manuscript of the Mandaean Book of John that was copied by Salem Choheili (Mandaean baptismal name: Bayan, son of Sharat) on April 12, 1989.