Meaning and name origin
Agostina \a-gosti-na, ag(os)-tina\ as a girl's name is of Latin origin, and the meaning of Agostina is "great, magnificent". Agostina is a variant of Augusta (Latin): feminine of August or Augustus. A name for baby girls which is not broadly used.
Agostina is not a popular first name for females and an equally uncommon surname or last name for all people (Source: 2000 U.S. Population Census).
Displayed below is a comparison of the popularity of the girl name Agostina and its variant forms. Popular variation forms ranked in the Top 1000/100 are Augusta and Agustina. (Source: 2014 Birth Name Statistics).