AKM Shamsul Islam () is a Bangladeshi politician, retired Bangladesh Army officer, and security analyst. He currently serves as the defence adviser to Prime Minister Tarique Rahman, holding the rank of a state minister. Previously, he was appointed as the chief security officer for Bangladesh Nationalist Party (BNP) chairperson Khaleda Zia and acting chairman Tarique Rahman. He is a member of the Bangladesh Nationalist Party.
Shamsul Islam was born in Nandail Upazila of Mymensingh district. During his school years, he topped the Mymensingh district in Class 8 and received a talent pool scholarship. He passed SSC and HSC examinations from Cumilla Cadet College. He then obtained a Bachelor of Science degree being First Class First from Chittagong University. He then obtained a Masters in Defense Studies degree with first class distinction from the Defense Services Command and Staff College and a Masters in Management from the Philippine Christian University with a gold medal. He also obtained a Masters in Military Technology from Bangladesh University of Professionals. He completed his Masters in Defense Studies from Bangladesh Open University. He also completed advanced military and strategic training in Bangladesh, Pakistan, the United Kingdom, China, the Philippines, Russia, and the United States. Later, he obtained a PhD degree in Nuclear Security of Bangladesh from Jahangirnagar University.
Shamsul Islam was commissioned into the Bangladesh Army in 1989 after completing the 21st long course at the Bangladesh Military Academy. He received Osmani Gold Medal in Bangladesh Military Academy for best academic performance. He rose to the rank of Brigadier General before retiring.
After retiring from the army, Shamsul Islam joined the Bangladesh Nationalist Party (BNP). In 2025, he sought nomination from the BNP for the Mymensingh-9 (Nandail) constituency in the national elections.
On 17 December 2025, he was appointed as the chief security officer to oversee the security of BNP chairperson Khaleda Zia and acting chairman Tarique Rahman. Following Tarique Rahman's appointment as Prime Minister, Shamsul Islam was made an adviser in his office.