Diploma in Business delivered at Horizon Campus as a pathway programme of La Trobe University, Australia.

Weekend diploma offered by the Department of Business Management, which states its courses are recognised by UGC, TVEC and the International Qualifications Network (IQN), UK.

Diploma covering organising, planning, leading, staffing, controlling and directing a business, aimed at cooperative-sector managers and those with G.C.E. A/L or O/L plus work experience.

Diploma listed by the Faculty of Social Sciences and Humanities alongside its degree programmes.

12-month (450-hour) diploma on community and cooperative development, community-based projects, partnership building and community-based risk management. Held on Sundays at the campus.

11-month weekend diploma run in affiliation with the Institute of Chartered Corporate Secretaries of Sri Lanka, described as a streamlined pathway for AAT Passed Finalists and Members to become Chartered Secretaries.

Diploma programme developing English language proficiency, offered by the Faculty of Management, Humanities & Social Sciences.

Diploma offered by the Department of English fostering language skills and appreciation of literature, with case-based teaching and a structured curricular framework. Also offered at the Hanwella branch.

One-year part-time diploma improving English competence and soft skills for employment, higher education and professional advancement, taught in 6-hour Sunday sessions with module-end written and oral evaluations.

Professional diploma offered by the Department of Professional Studies in Agriculture for students and professionals in agro-business and agriculture.

Professional diploma offered by the Department of Professional Studies in Agriculture.

A 3-year, 9-term nursing diploma combining theory with about 50% clinical placement in hospital and community settings, training competent general nurses with leadership and research exposure.

One-year diploma in heritage and cultural tourism offered by the SLIIT School of Architecture.

Diploma offered by the Department of Hospitality Management, which runs courses in international cookery, culinary art and hotel management with an internationally mapped curriculum.

12-month full-time diploma covering hotel operations and customer service, Pearson Assured (UK) and TVEC approved.

Weekend diploma offered by the Department of Business Management.

12-month (450-hour) diploma in HRM theory and practice, including recruitment, training, performance appraisal, motivation and the legal sources and regulations relevant to HR. Held on Sundays at the campus.

Diploma offered by the Department of Information and Communication Technology, structured to align with national and international qualification frameworks; offered in weekday and weekend modes.

One-year weekend diploma giving comprehensive knowledge of insurance fields plus English and ICT, run by the Department of Insurance and Risk Management at Colombo, Galle, Kegalle and Kurunegala centres.