Sylhet International University (SIU) is a private university located at Shamimabad, Bagbari, Sylhet, Bangladesh.

It was established under The Private University Act of 1992.

[1] SIU is affiliated with University Grants Commission of Bangladesh.

The first vice-chancellor was Sadruddin Ahmed Chowdhury.

[2][3] The campus is equipped with facilities including classrooms, laboratories, a library, and computer centres.