I19

I19, I 19 or I-19 may refer to:

• Västerbotten Regiment, a Swedish infantry regiment; active from 1816 to 1841
• Norrbotten Regiment, a Swedish infantry regiment; active from 1841 to 1975, and since 2000
• Interstate 19, an Interstate highway in Arizona
• {{ship|Japanese submarine|I-19}}

{{Letter-Number Combination Disambiguation}}