I22 or I 22 may refer to:
*
Interstate 22, a highway in the United States
*
Värmland Regiment
The Värmland Regiment ( sv, Värmlands regemente), designations I 22, I 2 and I 2/Fo 52, was a Swedish Army infantry regiment that traces its origins back to the 16th century. The regiment's soldiers were originally recruited from the province o ...
, a Swedish infantry regiment; active 1816–1939
*
Lapland Ranger Regiment
The Lapland Ranger Regiment ( sv, Lapplands jägarregemente), designations I 22, I 22/Fo 66 and I 22/GJ 66, was a Swedish Army light infantry regiment, one of the few new formations raised in the 20th century. The regiment was garrisoned in Laplan ...
, a Swedish infantry regiment; active 1975–2000
* , several submarines
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