| 01/2007 : K. Jayatillake Foundation (Incorporation) |
| 19/2008 : K. R. G. Wijesundara National and Employees Welfare Foundation (Incorporation) |
| 25/1980 : Kadawalagedara Purana Siddhasthana Wardhana Society (Incorporation) |
| 29/1992 : Kalmunai Himayathul Islam Movement (Incorporation) |
| 42/2014 : Kalpawaruksha Development Foundation (Incorporation) |
| 24/1981 : Kandy Buddhist Association (Incorporation) |
| 02 /1984 : Kandy Friend-In-Need Society (Incorporation) |
| 19/1995 : Kandyan Marraige and Divorce(Amendment) |
| 39/2006 : Kandyan Marriage and Divorce (Amendment) |
| 23/2013 : Kandyan Marriage and Divorce (Amendment) |
| 37/2022 : Kandyan Marriage and Divorce (Amendment) |
| 25/1971 : Kandyan Scholarship Fund (Board of Trustees) |
| 31/2005 : Kapruka Fund |
| 61/2009 : Karuna Samadhi Organization (Incorporation) |
| 41/2003 : Kataragama Kirivehera Rajamaha Viharasta Development Foundation (Incorporation) |
| 08/1983 : Katugastota Bauddha Batamandalaya (Incorporation) |
| 29/2000 : Katuwana Adults Care Centre Development Foundation (Incorporation) |
| 07/1999 : Kegalle Tharuna Bauddha Sangamaya (Incorporation) |
| 19/1966 : Kelani Young Men’s Buddhist Association Act |
| 30/2024 : Kelaniya Buddhist Women’s Charitable Society (Incorporation) |
| 10/1999 : Kesbewa Development Foundation (Incorporation) |
| 01/1983 : Knives (Amendment) |
| 34/1998 : Kolping Society Of Sri Lanka (Incorporation) |
| 39/2009 : Kosala Dullewa Foundation |
| 38/1993 : Kotalawala, Kaduwela Sankapitthi Viharastha Sanwardhana Sabhawa (Incorporation) |
| 60/2009 : Kottawa Sri Punyabiwardanaarama Viharasthana Performance Society (Incorporation) |
| 70/ 1981 : Krishnamurti Centre, Sri Lanka (Incorporation) |
| 48/1993 : Kuda Uduwe Nalanda Sanwardhana Samithiya (Incorporation) |
| 39/1980 : Kuliyapitiya Young Men’s Buddhist Association (Incorporation) |
| 35/1986 : Kulugammana Rajamaha Vihara Dayaka Sabhawa (Incorporation) |
| 19/2014 : Kumarasiri Hettige Foundation (Incorporation) |
