Pokok Sena is a town in Kedah, Malaysia. It is the 12th district of Kedah which was formerly a subdistrict of Kota Setar. The declaration of the 24,000ha district with a population of 50,000 was made by the Sultan of Kedah, Tuanku Abdul Halim Mu'adzam Shah in conjunction with his 81st birthday. The district is divided into 6 sub-districts: Gajah Mati, Jabi, Tualang, Lesong, Bukit Lada, Derang and consists of 122 villages and 21 residential areas.The Parliament Member of Pokok Sena is Dato' Mahfuz Omar from Parti Islam SeMalaysia.
The district was poised for rapid development with ongoing infrastructure projects such as road expansion spanning from Hutan Kampung, Pokok Sena and Kuala Nerang to Sungai Burung to spur new growth areas. Pokok Sena’s landscape will undergo rapid changes. Many housing projects are in the pipeline. A lot of opportunities will open up with construction projects and manufacturing facilities. The state government currently develop new township of this district called Bandar Baru Sejahtera Pokok Sena which cost about RM230M which complete in 2017.
There are few important places near pokok sena namely Taman Kekal Pengeluaran Makan (TKPM ) Gajah Mati, Agriculture Station Gajah Mati and Veterinary Station Gajah Mati. Another important place in Pokok Sena is Penjara Pokok Sena (Pokok Sena Jail).