S
Sekjen (Sekratari Jeneral) - Secretary General (of an organisation)
SCTV(Surya Citra Televisi) - (lit: Sun Television) Private Television Broadcaster
SD (Sekolah Dasar) - Primary School (current)
SDSB (Sumbangan Dana Sosial Berhadiah) - National Lottery (defunct)
SIM (Surat Izin Mengemudi) - Driving License
SLTA (Sekolah Lanjutan Tingkat Atas) - High School
SLTP (Sekolah Lanjutan Tingkat Pertama) - Middle School
SMA (Sekolah Menengah Atas) - High School (It was first used before the name SLTA, but currently used again widely)
SMP (Sekolah Menengah Pertama) - Middle School (It was first used before the name SLTP, but currently used again widely)
Supersemar (Surat Perintah Sebelas Maret) - 11 March Government Letter. Letter written by President Sukarno in 1966 formally granting Suharto Emergency Powers over the nation of Indonesia.
Read more about this topic: List Of Indonesian Acronyms And Abbreviations