Indonesia Institute of Islamic Dawah
Lembaga Dakwah Islam Indonesia  | |
Area served  | |
| Abbreviation | LDII | 
|---|---|
| Established | January 3, 1972 | 
| Founder | Drs. Nur Hasyim, et.al. | 
| Founded at | Kediri | 
| Type | NGO | 
| 02.414.788.6-036.000 | |
| Registration no. | AHU-18.AH.01.06.Tahun.2008 | 
| Legal status | foundation | 
| Purpose | humanitarian, socio-religious activism | 
| Headquarters | Jalan Arteri Tentara Pelajar 28, Patal, Senayan, Jakarta Selatan 12210 | 
| Location | |
| Coordinates | 6°13′10″S 106°47′31″E / 6.219356°S 106.792042°E | 
Area served   | Indonesia | 
| Methods | Islamic proselytism | 
| Membership | 30+ millions | 
Official languages   | Indonesian and English | 
Head of the Advisory Council  | Kasmudi Asshidqi, S.E., M.Ak. | 
Chairman  | Ir. Chriswanto Santoso, M.Sc. | 
General Secretary  | Dody Taufiq Wijaya, Ak., M.Com., CA. | 
| Website | ldii | 
Formerly called  | Yayasan Karyawan Islam (YAKARI) Lembaga Karyawan Islam (LEMKARI)  | 
Indonesia Institute of Islamic Dawah (Indonesian: Lembaga Dakwah Islam Indonesia, LDII) is one of the Islamic community organizations in Indonesia that focuses on preaching and teaching Islam based on the Qur'an and Hadith. This organization is known to have rapid development, with an estimated number of non-members who participate in activities or are influenced by its preaching reaching more than 30 million people. However, LDII also faced a number of controversies that accompanied its organizational journey.