J is the tenth letter in the modern English alphabet and the ISO basic Latin alphabet. Its normal name in English is jay /de/ or, now uncommonly, jy /da/. When used for the palatal approximant, it may be called yod (/jd/ or /jod/) or yot (/jt/ or /jot/).
Based on the above text, what's the best answer to this question: is the letter j in the latin alphabet?
yes