OSIS or variant may refer to:
- OSIS
- Open Source Information System
- Open Scripture Information Standard
- Organisasi Siswa Intra Sekolah, Indonesian for Intra-school students organization
- -osis
The suffix -osis is used for forming a number of medical terms. The suffix itself signifies only a general functional disorder, but the constructed words are more specific. It is often used to denote a biological process (i.e. Apoptosis, Phagocytosis, Necrosis...)
- Osis
Osis (feminine: Ose), is a Latvian language surname meaning "ash" (tree; Fraxinus excelsior)
- Guntis Osis (born 1962), Soviet Latvian bobsledder
- Karlis Osis (1917–1997), paranormal researcher
See also
edit- OSI (disambiguation) for OSIs, the plural of OSI