I class

I class may refer to:

• Acheron-class destroyer, a class of destroyers that served in World War I
• I-class destroyer, a class of destroyers of the 1930s
• I-class ferry, a class of ferries operated by BC Ferries
• Istanbul-class frigate, a late 2010s class of indigenous Turkish frigates
• South Australian Railways I class (first), 0-4-0T steam locomotive
• South Australian Railways I class (second), 0-4-0ST steam locomotive
• WAGR I class, 0-6-4T steam locomotive

See also

• Class I (disambiguation)