I15 may refer to:
*
Interstate 15
Interstate 15 (I-15) is a major Interstate Highway in the western United States, running through Southern California and the Intermountain West. I-15 begins near the Mexican border in San Diego County and stretches north to Alberta, Cana ...
, a north–south Interstate Highway in the United States of America
*
Polikarpov I-15
The Polikarpov I-15 (russian: И-15) was a Soviet biplane fighter aircraft of the 1930s. Nicknamed ''Chaika'' (''russian: Чайка'', "Seagull") because of its gulled upper wings,Gunston 1995, p. 299.Green and Swanborough 1979, p. 10. it was ...
, a Soviet fighter aircraft
*
I15 (band)
"Soulja Girl" is the second single from American rapper Soulja Boy's studio album ''souljaboytellem.com
''Souljaboytellem.com'' is the first studio album and major label debut by American rapper and producer Soulja Boy Tell 'Em. It was released ...
, a band
* , of the Imperial Japanese Navy
*
Älvsborgs regemente (I 15) a former Swedish Army infantry regiment
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