| Honorific Prefix: | Perkasa Alam Teungku |
| Abdullah Syafi'i | |
| Nickname: | Teungku Lah |
| Birth Date: | 12 October 1947 |
| Birth Place: | Seuneubok Rawa, Peusangan, Bireuen, Aceh |
| Death Place: | Jim-jim, Bandar Baru, Pidie Jaya, Aceh |
| Allegiance: | Free Aceh Movement |
| Serviceyears: | 1976–2002 |
| Rank: | General |
| Unit: | National Acehnese Army (TNA) |
| Battles: | Insurgency in Aceh |
Perkasa Alam Teungku Abdullah Syafi, better known as Teungku Lah (12 October 1947 – 22 January 2002) was a GAM military figure. He served as Commander of the Free Aceh Movement. He was born in Seuneubok Rawa, a remote village in Bireuen, Aceh on 12 October 1947.[1] He studied at Madrasah Aliyah Peusangan, Bireuen, and studied religion at several pesantren in Aceh.[2] Before joining GAM, he was involved in Jeumpa theatre troupe.[3]