OSE
OSE is an abbreviation for:
- Ordo Sanctae Sorores Hospitalariae Elisabethae TOS Francisci, the Order of St. Elizabeth
- Oeuvre de secours aux enfants, a Jewish children's charity in France during the occupation of 1940 - 1944; moreover since 1912 until today
- Order of the Star in the East, a theosophical organization
- Organismos Sidirodromon Ellados, Greece's national railway company
- Embedded Operating System, an embedded real-time operating system of the company Enea AB
- VirtualBox Open Source Edition, an open source version of VirtualBox
- Oslo Stock Exchange, English for Oslo Stock Exchange
- Oschersleben Schöninger Railway Company
- Upper Silesian Railway
- Open Source Ecology
- Disambiguation
- Abbreviation