Q-S
- Queenstown Multi-Service Centre for the Elderly
- Rainbow Centre
- Ramakrishna Mission
- REACH Community Services Society
- Reach Family Service Centre
- Realm of Tranquility
- Red Swastika Charity Foundation
- Ren Ci Hospital and Medicare Centre
- Renewal Self-Development Centre
- Retired & Senior Volunteer Programme
- Riding for the Disabled Association of Singapore
- RiverLife Community Service Centre
- Rochore Kongsi for the Aged
- Rotary Club of Singapore
- Salem Welfare Services
- Salvation Army
- Samaritans of Singapore
- Sanctuary House Limited
- Sathya Sai Social Service
- Save the Children
- Sembawang Tamils' Association
- Serangoon Moral Family Service Centre
- SGRainbow
- Shan You Counselling Centre
- Sian Chay Medical Institution
- Sikh Sewaks Singapore
- Sikh Welfare Council
- Sinda Family Service Centre
- Singapore Action Group of Elders
- Singapore After-Care Association
- Singapore Airport Terminal Services Staff Association
- Singapore Amalgamated Services Co-Operative Organisation Senior Citizens Home
- Singapore American Community Action Council
- Singapore Anglican Community Services
- Singapore Anti-Narcotics Association
- Singapore Anti-Tuberculosis Association
- Singapore Association for Counselling
- Singapore Association for Mental Health
- Singapore Association for the Deaf
- Singapore Association for the Study of Obesity
- Singapore Association of Occupational Therapists
- Singapore Association of Social Workers
- Singapore Association of the Institute of Chartered Secretaries & Administrators
- Singapore Association of the Visually Handicapped
- Singapore Baptist Convention Golden Age Home
- Singapore Branch of the Missions to Seafarers
- Singapore Buddhist Federation
- Singapore Buddhist Free Clinic
- Singapore Buddhist Lodge Vision Family Services
- Singapore Buddhist Lodge Welfare Foundation
- Singapore Buddhist Welfare Services
- Singapore Cancer Society
- Singapore Cheshire Home
- Singapore Children's Society
- Singapore Christian Home for the Aged
- Singapore Chung Hwa Medical Institution
- Singapore Committee of the World Organisation for Early Children Education
- Singapore Corporation of Rehabilitative Enterprises
- Singapore Council of Women's Organisations
- Singapore Dental Health Foundation
- Singapore Disability Sports Council
- Singapore General Hospital, Medical Social Service
- Singapore Gujarati Society
- Singapore Heart Foundation
- Singapore Hospice Council
- Singapore Indian Development Association
- Singapore Indian Education Trust
- Singapore International Chamber of Commerce
- Singapore International Foundation
- Singapore Kadayanallur Muslim League
- Singapore Leprosy Relief Association
- Singapore Life Saving Society
- Singapore Malay Youth Library Association (Taman Bacaan)
- Singapore National Stroke Association
- Singapore Nurses' Association
- Singapore Physiotherapy Association
- Singapore Planned Parenthood Association
- Singapore Polytechnic Welfare Services
- Singapore Professional Centre
- Singapore Psychological Society
- Singapore Red Cross Society
- Singapore Regional Centre of the World Fellowship of Buddhists
- Singapore Scout Association
- Singapore Tenkasi Muslim Welfare Society
- Singapore Thong Chai Medical Institution
- Singapore Women's Association
- Singhealth Polyclinics
- Society Against Family Violence
- Society for Continence
- Society for the Aged Sick
- Society for the Physically Disabled
- Society for the Prevention of Cruelty to Animals
- Society for the Promotion of ADHD Research and Knowledge
- Society of Moral Charities
- Society of Sheng Hong Welfare Services
- Society of Saint Vincent de Paul
- Soroptimist International of Singapore
- Spastic Children's Association of Singapore
- Special Olympics Singapore
- Speech-Language and Hearing Association
- Sree Narayana Mission
- Sri Krishna Mandir Welfare Society
- St Andrew's Cathedral Home for the Aged
- St Andrew's Mission Hospital
- St Gabriel's Foundation
- St Hilda's Community Services Centre
- St John's Ambulance Brigade
- St John's Home for Elderly Persons
- St Luke's Elder Care
- St Luke's Hospital
- St. Hilda's Community Services Centre
- Student Advisory Centre
- Student Volunteer Corps
- Students Care Service (SCS)
- Sun-Dac Centre for the Disabled
- Sunlove Abode for Intellectually-Infirmed
- Sunshine Welfare Action Mission
Read more about this topic: List Of Voluntary Welfare Organisations In Singapore