Full form of OS2 is Ordinary Seaman 2nd Class

OS2 stands for Ordinary Seaman 2nd Class . Fullformexpand.com has 7 other full forms of OS2 abbreviation.

Category: Others

Language: English

Frequently Asked Questions

OS2 stands for Ordinary Seaman 2nd Class. Fullformexpand.com has 7 other full forms of OS2 abbreviation.

You can use the appropriate citation option from below to add a reference to this page.

"OS2." Fullformexpand.com, https://www.fullformexpand.com/os2/ordinary-seaman-2nd-class. Accessed 26 Feb. 2026.

Fullformexpand.com, 2026. "OS2." Accessed February 26, 2026. https://www.fullformexpand.com/os2/ordinary-seaman-2nd-class.

"OS2." (n.d.). Fullformexpand.com. Retrieved February 26, 2026, from https://www.fullformexpand.com/os2/ordinary-seaman-2nd-class.

OS2. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/os2/ordinary-seaman-2nd-class (Accessed: 26 February 2026).

Abbreviation	Full Form	Category
OS/2	Obsolete Soon, Too	Others
OS/2	Operating System/2	Others
OS/2	Operating System/2 (IBM-Microsoft)	Others
OS2	Officer's Steward 2nd Class (non Petty Officer	Others
OS2	Operating System Two	Others