Eugenia Chialvo (born 21 February 1983) is an Argentine former professional tennis player.

Chialvo grew up in the city of San Francisco in Córdoba.

[1] She was a member of the Argentine side which won the 1999 Junior Fed Cup in Perth, along with Gisela Dulko and María Emilia Salerni.

[2] A left-handed player, Chialvo reached a best singles ranking of No.

She featured in the doubles main draw of WTA Tour tournaments in Madrid and Palermo in 2001, both partnering Conchita Martinez Granados.