Princess Izabela Maria Sanguszko (née Princess Izabela Maria Lubomirska), in Polish Izabela Maria z książąt Lubomirskich księżna Sanguszkowa (1 March 1808 – 18 March 1890) was a Polish noblewoman.

Princess Izabela Maria was born to Prince Henryk Ludwik Lubomirski (15 September 1777 – 20 October 1850) and Princess Teresa Czartoryska (30 July 1785 – 31 December 1868).

Through her father she was great-granddaughter of Prince Stanisław Lubomirski and through her mother she was granddaughter of Prince Józef Klemens Czartoryski.

She had two sisters: Dorota and Jadwiga Julia (she married Eugène, 8th Prince of Ligne) and brother Jerzy Henryk.

On 6 July 1829, in Przeworsk she married Prince Władysław Hieronim Sanguszko.