Question: is the letter j in the latin alphabet

Answer: Yes, J is the tenth letter in the modern English alphabet and the ISO basic Latin alphabet. Its normal name in English is jay /dʒeɪ/ or, now uncommonly, jy /dʒaɪ/. When used for the palatal approximant, it may be called yod (/jɒd/ or /joʊd/) or yot (/jɒt/ or /joʊt/).