What does O4 stand for?

What does O4 mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: O4.

We've found a total of 3 definitions for O4:

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Officer grade: Captain or Colonel

Governmental » Military


Officer grade: Commander or Lieutenant Colonel

Governmental » Military


Officer grade: Lieutenant Commander or Major

Governmental » Military


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"O4." Abbreviations.com. STANDS4 LLC, 2014. Web. 22 Dec. 2014. <http://www.abbreviations.com/O4>.

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