Haji Ashaari Mohammad (30 October 1937 – 13 May 2010) was the leader of the Malaysian-based Islamic religious sect Al-Arqam.
The sect was banned by in Malaysia by the federal government on 21 October 1994.
He and other Al-Arqam members were arrested in Thailand, returned to Malaysia and detained under Internal Security Act (ISA).
He had been detained from 1994 to 2004.
He was forced to admit his wrong doings and denied the rights to defend himself.
Ashaari was nicknamed "Abuya" (father in Arabic) by his followers, and was known for wearing a turban, green Al-Arqam rope, and having kohl-lined eyes.