Eva-Dina Delgado is a Democratic member of the Illinois House of Representatives for the 3rd district. The 3rd district, located in the Chicago area, includes parts of Elmwood Park, as well as all or parts of the Chicago neighborhoods of Austin, Belmont Cragin, Dunning, Hermosa, Logan Square, Montclare, and Portage Park.

Delgado earned a BA in International Relations in 1999 from Wellesley College, and attained a JD from DePaul University College of Law in 2003.

Prior to attaining office, Delgado worked as Chief of Staff and Assistant to the President for People's Gas.

Delgado was appointed to the seat after the resignation of former Illinois state representative Luis Arroyo. Arroyo resigned as the result of an indictment of federal program bribery. Her appointment came under contentious fire from then-Illinois House Speaker Michael Madigan after proxy votes from former representative Arroyo were used to select Delgado as his replacement.

As of July 2, 2022, Representative Delgado is a member of the following committees: