I9, i9 or I-9 may refer to:
Science and technology
*
Intel Core i9, a line of high performance processors of the Skylake-X and Kaby Lake-X range
**
Gulftown, microprocessors originally rumored to be called the Intel Core i9
*
Straight-nine engine
The straight-nine engine (also referred to as an inline-nine engine; abbreviated I9 or L9) is a piston engine with nine cylinders arranged in a straight line along the crankshaft. The most common application is for large diesel engines used by sh ...
, a straight engine with nine cylinders, usually diesel engines used for ship propulsion
*
ICD-9, a coding system for medical diagnoses and procedures
Other uses
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Form I-9, a U.S. Citizenship and Immigration Services form
*
Interstate 9, a proposed upgrade to California State Route 99
*
Skaraborg Regiment (infantry)
The Skaraborg Regiment ( sv, Skaraborgs regemente), designation I 9, was a Swedish Army infantry regiment that traced its origins back to the 16th century. It was converted to an armoured regiment in 1942. The regiment's soldiers were recruited f ...
, a Swedish Army infantry regiment disbanded in 1942
* , an Imperial Japanese Navy submarine
See also
*
I Nine
I Nine were a pop rock band formed c. 2004. In 2005, filmmaker Cameron Crowe asked the band to perform the closing credits song, "Same in Any Language," for his movie Elizabethtown (film), ''Elizabethtown''. After being signed by label J Records, ...
, an American band
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