The Students' Union is a student body directly elected by the student community. The first Students’ Union Election was held on 23rd September, 1975, the year that the College was established. All students of Government Aizawl College are members of the Students' Union.

The executive body of the Students' Union comprises of the Principal as the President, seven elected office-bearers and twenty-six co-opted executive members (assistants and class representatives). Elections are held annually, usually at the onset of the odd semester, i.e. July.

Aims and Objectives
1. To represent the welfare and interest of the students.
2. To promote a healthy corporate life among students in the college.
3. To develop an academic atmosphere through a disciplined approach to the pursuit of higher studies.
4. To organize extra-curricular activities.
5. To create amenities for the welfare of the students.
6. To protect the right of the students and to promote their academic interests.
7. To maintain good public relations.
8. To provide opportunity for the students to enhance the knowledge and skills that will assist them in their personal development.
9. To help and encourage the students to become good citizens.