Abdulrahman Mohammed Saif Jamsheer (Arabic: عبد الرحمن محمد سيف جمشير; 1943 or 1944 – 28 August 2024) was a Bahraini businessman and politician.
Jamsheer was appointed by his Majesty the King of the Kingdom of Bahrain as a member and then elected as the First Deputy Chairman of the Shura Council for the period of 2002–2006 and served as the Chairman of the Foreign Affairs, Defense and National Security of the Shura Council in the Kingdom of Bahrain.
He was also President of Bahrain's most notable cultural and social organization, the Alumni Club, from 1994 until death.
As a selected member of the National Action Charter preparation committee, he was elected as the General Secretary.
Jamsheer was from 1984 to 1989 a board member of the elected, Bahrain Chamber of Commerce and Industry (BCCI).