Main Student Societies:
- The University Students' Union
This is the union consisting of all members of the Faculty unions of the University.
The union consisting of the representatives of students in the Faculty of Engineering , elected for a period of one year.
- The Architecture Faculty Students' Union
The union consisting of the representatives of students in the Faculty of Architecture.
- The Information Technology Faculty Students Union
The union consisting of the representatives of students in the Faculty of Information Technology.
- The N.D.T. Students' Society
The society consisting of the representatives of students in the NDT program of the Institute of Technology, University of Moratuwa.
- Astronomical Society
- Buddhist Society
- Catholic Students' Society
- Civil Engineering Society
- Computer Society
- Electrical Engineering Society
- Electronic Club
- English Literary Association
- Ethugalpura Students' Circle
- Gavel club
- LEO Club
- Majlis Ui Islam Society
- Maritime Club
- Mass Media Society
- Materials Engineering Students' Society
- Mechanical Engineering Society
- Moratuwa Students Christian Fellowship
- Nature Team
- Building Economic Student Society
- Rangamadale Api Rangakala Ekamuthuwa
- Rotaract Club
- Sinhala Cultural Society
- Sisu Sahana Society
- Student Development Society
- Tamil Literary Society
- Toastmasters Club