Meaning and name origin
Yanni \ya(n)-ni\ as a boy's name is of Hebrew and Greek origin, and the meaning of Yanni is "God is gracious". Yanni is a variant of John (Hebrew); biblical: the name of the longest-lived of the 12 apostles, who was especially loved by Christ. Also a variant of Yannis (Greek, Hebrew): variant of John.
Yanni is not a popular first name for males but a very popular surname or last name for all people (#24969 out of 88799, Top 28%) (2000 U.S. Census).
Displayed below is a comparison of the popularity of the boy name Yanni and its variant forms. The only popular variation form ranked in the Top 1000/100 is John (#26). (2014 statistics).