J

Time period14th century to presentDescendantsSistersOtherAssociated graphsj(x), ijWriting directionLeft-to-rightThis article contains phonetic transcriptions in the International Phonetic Alphabet (IPA). For an introductory guide on IPA symbols, see . For the distinction between [ ], / / and ⟨⟩, see IPA § Brackets and transcription delimiters.

J (minuscule: j) is the tenth letter of the Latin alphabet, used in the modern English alphabet, the alphabets of other Western European languages and others worldwide. Its usual name in English is jay (pronounced ), with a now-uncommon variant jye.

When used in the International Phonetic Alphabet for the voiced palatal approximant (the sound of "y" in "yes") it may be called yod or jod (pronounced or ).