Isabella of France (1 October 1348 – 11 September 1372) was a French princess and member of the House of Valois, as well as the wife of Gian Galeazzo Visconti, who after her death became Duke of Milan.

Born in Bois de Vincennes, Isabella was the youngest daughter of King John II of France[1] by his first wife, Bonne of Bohemia.

[2] Count Amadeus VI of Savoy arranged her marriage with his nephew Gian Galeazzo Visconti.

[3] On 8 October 1360, Isabella and Gian Galeazzo were married in Milan, and six months later, in April 1361, she was declared sovereign Countess of Vertus.

[5] The couple had four children: Only Valentina lived to adulthood;[6] Isabella died giving birth to Carlo in Pavia in 1372[2][4] and was buried in the church of San Francesco.