Alli \a(l)-li\ as a girl's name is a variant of Alberta (Old German), Alexandra (Greek), Alice (Old German) and Allie, and the meaning of Alli is "noble, bright, famous; man's defender; noble, exalted".
The baby name Alli sounds like Ailli, Aili, Ally, Ali, Alle, Alla, Elli, Allia and Ulli. Other similar baby names are Alfi and Allis.