Blanca Inés Osuna (born 25 October 1950) is an Argentine Justicialist Party politician.

She was also a National Senator representing the same province from 2007 to 2011, and served as intendente (mayor) of Paraná from 2011 to 2015.

She taught at the National University of Entre Ríos until 1986 and served on the provincial council of education between 1987 and 1991, latterly chairing the body.

She worked as an educational psychologist in the province until 1995 when she became director general of schools for Entre Ríos until 1999.

Osuna was made Cavalieri dell’Ordine al Merito della Republica Italiana by the President of Italy in 2005.