- KASTURI, Keonjhar
- Kasturiba Sadan, Bangalore
- Kasturwa Sewa Sadan, Gaya
- Kataganj Spandan, Nadia
- KATHA, New Delhi
- KATHALAYA, Bangalore
- Katigorah Gram Unnayan Parishad, Cachar
- Katkani Maa Durga Vikash Smiti, Uttarkashi
- Katni Lohiya Jan Kalyan Samiti, Bhopal
- Katwa Azad Hind Social Welfare Society, Katwa
- Katwa City Welfare Society, Burdwan
- Katwa Radha Madhab Dominion Welfare Society, Burdwan
- Kausar Tasnim Society, Kolkata
- Kaushalya Foundation, New Delhi
- Kaushalya Foundation, Patna
- Kaushik Vidhya Mandir Samiti, Dausa
- Kaushiks Charitable Trust, Sri Ganagnagar
- Kautala Vicekananda Social Development Society, South 24 Parganas
- Kautilya Vikas Sansthan, Udaipur
- Kavasam Social Welfare Association, Thiruvannamali
- Kaveri Jan Vikas Evam Shiksha Prasar Samiti, Bhind
- KAYAKALP, Jamshedpur
- Kays Foundation, Lucknow
- Kaziranga Multipurpous Womens Society, Guwahati
- KCC Help Line Rural Development Society, Chittoor
- KCEF – Kashmir Creative Educational Foundation, Pulwama
- KCORD – Karaikal Community Organisation for Research & Development, Karaikal
- KDF – Koraput Development Foundation, Jeypore
- KDS – Ktelipara Development Society, Kolkata
- KEBARI, Muzaffarpur
- Kedarnath Sevabhavi Sanstha(Nath Foundation), Beed
- Kedarnath Social Welfare Organisation, Nabapalli
- Kedarnath Welfare Trust, Alipurduar
- Keekaldoobri, New Delhi
- KEERTIKA, Kolkata
- Keith Foundation, Guwahati
- Kempegowda Institute of Medical Sciences, Bangalore
- Kendra for Innovative Network at Grassroot Trust, Dindigul
- Kenduadihi Indigenous Womens Welfare Association, Bakura
- Kengal Hanumanthaiya Foundation, Bangalore
- Kenneth Anderson Nature Society, Bangalore
- Kent Homoeo Research Foundation, Howarh
- Keoladev Research Foundation, Bharatpur
- Kerala Association for Non-Formal Education & Development, Thiruvananthapuram
- Kerala Association for Social & Women’s Welfare, Kollam
- Kerala Catholic Social Service Centre, Kolkata
- Kerala Federation of the Blind, Trivandrum
- Kerala Grama Nirmana Samiti, Kozhikode
- Kerala Hotel & Restaurant Association, Ernakulam
- Kerala Institution for the Blind, Thrissur
