i30, I30, i-30 or I-30 may refer to:
*
Interstate 30, an Interstate Highway in the southern United States
*, an Imperial Japanese Navy submarine during World War II
* (1940-1968), a Royal Australian Navy ''Tribal''-class destroyer
*I30, a
9000 server model of computer system produced by the Hewlett-Packard (HP) company
*
Hyundai i30, a small family car made by Korean automaker Hyundai Motor Company
*
Infiniti I30, mid-size luxury car sold under Nissan's Infiniti marque in North American markets
*
Korg i30, a 1998 keyboard instrument
*
IBM NetVista Internet Appliance i30, allows internet access on a TV
*
I-30 (aircraft), a prototype of the Yakovlev Yak-3
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