This article is concerning a correspondence. Intended for other uses, see I (disambiguation). I is the ninth correspondence of the Latin alphabet. The spot over the lowercase 'i' is from time to time called a tittle.

The tiny i and j, however, were distinguished. In Germany, Roman numerals are frequently used intended for numbering. At what time listing things by capital letters of the alphabet, they avoid using the correspondence I, skipping over to J, to avoid confusion by means of the alternative Roman numeral numbering system.

The EBCDIC code for assets I is 201 and for lowercase i is 137.