The 1990 Trofeo Ilva-Coppa Mantegazza was a women's tennis tournament played on outdoor clay courts in Taranto, Italy that was part of the WTA Tier V category of the 1990 WTA Tour.

It was the fourth edition of the tournament and was held from 1 May until 6 May 1990.

First-seeded Raffaella Reggi won the singles title.

[1] Raffaella Reggi defeated Alexia Dechaume 3–6, 6–0, 6–2 Elena Brioukhovets / Eugenia Maniokova defeated Silvia Farina / Rita Grande 7–6(7–4), 6–1