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.
Other Societies:
- Architecture Awareness Group
- Architecture Student Society (ARCHI-SS)
- Architecture Students' Association
- Art Circle Society
- Association of International Exchange of Students Engaged in Economic & Commerce (AIESEC)
- Astronomical Society
- Buddhist Society
- Building Economics Students Society
- Catholic Students' Society
- Chemical Engineering Students' Society
- Classical Music Society
- Civil Engineering Society
- Computer Society
- Dancing Society
- Drama Society
- Earth Resource Engineering Society
- Electrical Engineering Society
- Electronic Club
- English Literary Association
- Entrepreneurship Society
- Fashion Design Students Society
- Gavel club
- Graphic Students' Circle
- Highway Engineering Society
- International Association for the Exchange of Students for Technical Experiences (IAESTE) Society
- Inventors and Innovators Society
- Information Technology Society
- LEO Club
- Majlis Ui Islam Society
- Maritime Club
- Mathamatical Society
- Mass Media Society
- Media Club
- Materials Engineering Students' Society
- Mechanical Engineering Society
- Mora Hiking Club
- Mora Spirit Students' Club
- Nature Team
- Rangamadale Api Rangakala Ekamuthuwa
- Rotaract Club
- Rowing Club
- Sarasavi Kala Sansadaya Students' Society
- Sinhala Cultural Society
- Social Science Association
- Student Chapter of the IESL
- Students Christian Fellowship
- Students' Society of Landscape Architecture (SSLA) of University of Moratuwa
- Sisu Sahana Society
- Student Development Society
- Students for Exploration and Development of Space (SEDS)
- Tamil Literary Society
- Textile Engineering Students' Society
- Town & Country Planning Students' Society
- Transport & Logistic Management
- Toastmasters Club