Yasin Abu Bakr, born Lennox Philip is the leader of the Jamaat al Muslimeen a black Muslim group in Trinidad and Tobago. The group has long-standing links with Libyan leader Muammar al-Qaddafi. Under the leadership of Abu Bakr and Bilaal Abdullah , the group staged an attempted coup d'état in 1990.

Abu Bakr, a former policeman, converted to Islam while a student in Canada. He later returned to Trinidad and founded the Jamaat al Muslimeen (commonly referred to simply as the Jamaat).

He is currently on trial for conspiracy in the June 2004 murder of Jillia Bowen and the attempted murder of two expelled Jamaat al Muslimeen members, Salim Rasheed and Adel Ghany.