María del Carmen Rosario Soledad Cervera y Fernández de la Guerra, Dowager Baroness Thyssen-Bornemisza de Kászon et Impérfalva (German: María del Carmen Rosario Soledad Freifrau von Thyssen-Bornemisza de Kászon; born 23 April 1943), popularly known as Carmen "Tita" Cervera or Carmen "Tita" Thyssen, is a Spanish socialite, and art dealer, collector and beauty pageant titleholder.

[citation needed] None of her marriages had issue, but she had a son born out of wedlock, Alejandro (b. Madrid, 24 July 1980), with Manuel Segura.

Hans Heinrich adopted her son, known as Alejandro Borja Thyssen-Bornemisza de Kászon et Impérfalva.

[citation needed] In 2013 and 2016 Cervera was exposed by the International Consortium of Investigative Journalists for using complex offshore structures to gain tax advantages.

Items from her collection can be seen at: Loans to other museums have been proposed, including a projected arts centre at Nuevo Baztan near Madrid.