Official Name of Mormon Church is - D and C 115 Verse 4 - 10-4-25

Official Name of Mormon Church is - D and C 115 Verse 4 - 10-4-25

Source - https://www.churchofjesuschrist.org/study/scriptures/dc-testament/dc/115?lang=eng&id=p4#p4

Church Site - https://www.churchofjesuschrist.org/?lang=eng

Note that is Not the Churches full name -

The Church of Jesus Christ of Latter-day Saints