Malachi \m(a)-la-chi\ as a boy's name is pronounced MAL-a-kye. It is of Hebrew origin, and the meaning of Malachi is "messenger of God". Biblical: a prophet and writer of the final book of the Old Testament. Malachy (12th century) was an Irish saint. Author Malachi Martin.
Malachi has 9 variant forms: Malachie, Malachy, Malaki, Malakia, Malakie, Malaquias, Malechy, Maleki and Malequi.
For more information, see also related names Malak and Malik.