I18 Explained

I18 may refer to:

• , a 1939 River-class destroyer that served in the Royal Canadian Navy
• , a 1931 C-class destroyer of the Royal Navy
• , a 1939 Type C submarine of the Imperial Japanese Navy
• Västmanland Regiment (1816 - 1927), a Swedish Army infantry regiment
• Gotland Infantry Regiment (1928 - 1963), a Swedish Army infantry regiment