- Aplomb, Chatra
- APMAS, Hyderabad
- APMG – Academy of Pharmacy Management & Guidance, Kolkata
- Apna Bank Council, Bhiwani
- Apna Prayas, New Delhi
- APNALAYA, Mumbai
- Apne Sapne Ngo, Dehradun
- APNE, Firozabad
- Apni Duniya Apna Ashiana, Gurgaon
- APNO – Action for Promotion of Native Organizations, New Delhi
- Apple Educational Trust, East Dimapur
- Applied Environmental Research Foundation, Pune
- APPRD, West Godavari
- Aprajita Charitable Trust, Hoshiarpur
- Aprajita Nav Nirman Sanstha, Gorakhpur
- Aprajita Samaj Sewa Sansthan, Purnia
- Aprajita Welfare Foundation, Muzaffarpur
- APRCT – Apostles Public Religous Charitable Trust, Hyderabad
- Aps Educational Society, Lucknow
- Apt Management Services, Lucknow
- APU – Animal Protection Unit, Jajpur
- Apurva Vedant Education & Welfare Society, Surajpur
- APVHA – Andhra Pradesh Voluntary Health Association, Secunderabad
- Aqsa Charitable Trust, Pune
- Aqua Foundation, New Delhi
- Ar Education Society, Ghazipur
- Ar Educational And Welfare Society, Delhi
- Aradhana Gramin Vikas Kendra Samiti, Dehradun
- Aradhana Social & Development Organisation, North 24 Parganas
- Arafa Charitable Trust, Ernakulam
- Arakhita Das Smruti Sansatha, Bhubaneswer
- ARALU, Bidar
- Aram Sei Trust And Social Welfare Organization, Coimbatore
- Arambha Trust, Bengaluru
- Aran Gramin Vikas Samiti, Patna
- Aran Jyothi Mahila Organisation, Kadapa
- Aran Trust, Virudhunagart
- Aranya Agricultural Alternatives, Adilabad
- Aranya Surakshya Samiti, Bongaigaon
- ARANYA, Bhopal
- Aranyaj Society for Educational & Environmental Development, Kolkata
- Arasu Educational and Charitable Trust, Thanjavour
- Aravanaikkum Karangal, Salem
- Aravinda Viniyogadarula Sankshema Sangam, Krishna
- Archana Public Trust & Health Services, Kalyan
- Archana Trust Suburban, Mumbai
- Archdiocesan Communications Centre, Bangalore
- Archer Foundation, Vaishali
- Archie Samajik Sanstha, Patna
- Archisa the Ray of Light, New Delhi
