Alvania meridioamericana is a species of small sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
This is a Lirobarleeia (Barleeidae); possibly a junior synonym of Lirobarleeia chiriquiensis <small>(Olsson & McGinty, 1958)</small>.
The length of the shell attains 2.5 mm.
This species occurs in the Caribbean Sea off Curaçao and Venezuela.