Found 27,007 abbreviations starting with R:

RO

Royal Oak

Miscellaneous » Unclassified

Rate it:
RO

Ragnarock online

Miscellaneous » Unclassified

Rate it:
RO

Run on

Miscellaneous » Unclassified

Rate it:
RO

Response Only

Miscellaneous » Unclassified

Rate it:
RO

requisitioning objective

Miscellaneous » Unclassified

Rate it:
RO

rust and oxidation

Miscellaneous » Unclassified

Rate it:
RO

Romance O

Miscellaneous » Unclassified

Rate it:
RO

Retail Outlet

Miscellaneous » Unclassified

Rate it:
RO

Research Organization

Academic & Science » Universities

Rate it:
RO

Regional Office

Governmental » US Government

Rate it:
RO

Romania

Miscellaneous » USPS

Rate it:
RO-RO

Role On Role Off

Governmental » Transportation

Rate it:
RO/RO

Roll On/ Roll Off

Governmental » Military

Rate it:
RO/RO

Roll-On/roll-Off

Governmental » Military

Rate it:
RO/RO

Roll On / Roll Off

Governmental » Transportation

Rate it:
ROA

Return On Average

Business » Accounting

Rate it:
ROA

Roanoke, Virginia USA

Regional » Airport Codes

Rate it:
ROA

Radio Operators Authorization

Academic & Science » Amateur Radio

Rate it:
ROA

Relative Operational Atmosphere

Community

Rate it:
ROA

read only access

Governmental » FDA

Rate it:
ROA

Raiders Of Athena

Miscellaneous » Funnies

Rate it:
ROA

Romance (Other)

Regional » Language Codes (3 Letters)

Rate it:
ROA

Rutgers Optimality Archive

Academic & Science » Libraries

Rate it:
ROA

Round Of Applause

Academic & Science » Libraries

Rate it:
ROA

Route of Administration

Medical

Rate it:

Are we missing a good shorthand here? Don't keep it to yourself! Help us grow our database...