Het hangt uiteraard allemaal van de context af, maar deze bredere betekenis is ook een optie: Spaanstalige literatuur (of: Spaanse en Latijns-Amerikaanse literatuur).

Zie bijvoorbeeld:

The Master of Arts degree program in Hispanic Literatures is designed primarily for students who plan to pursue a Doctor of Philosophy degree and to join the faculties of colleges or universities as scholars and teachers. The program provides study in the language, literatures, and cultures of Spain and Latin America, with an emphasis on Spanish and Spanish–American literatures and scholarly investigation.
https://reg.msu.edu/AcademicPrograms/ProgramDetail.aspx?Prog...

The MA concentration in Hispanic Literatures and Cultures provides students with a comprehensive overview of the fields of Hispanic literatures and Hispanic cultures and prepares the student to pursue work at the PhD level in Spanish or in other disciplines.

The student is required to complete a minimum of 33 graduate units, as follows:

An equal number of units in Spanish and Latin American literatures and cultures (15 units in each area)
https://spanish.arizona.edu/graduate/degrees-concentrations/...

The term Hispanic (Spanish: hispano or hispánico) refers to persons, cultures, or countries originally related to Spain, the Spanish language and culture, or to Spanish America.
https://en.wikipedia.org/wiki/Hispanic