María Cristina Ramos Ayala is a Puerto Rican model and beauty pageant titleholder.

Vietnam[4] Cristina Ramos was born in 1997 in Caguas, Puerto Rico, and finished a bachelor's degree in marketing and public relations from the Universidad del Sagrado Corazón.

Cristina represented Caguas at the Nuestra Belleza Puerto Rico 2023 competition held on April 13, 2023, at the Condado Plaza Hilton Hotel, and was crowned Miss Grand Puerto Rico 2023,[1][2] which is one of the three main titles in the pageant.

[2][3] Cristina then represented Puerto Rico in Miss Grand International 2023 in Vietnam.

Previously, Cristina participated in Miss & Mister Beauty International Puerto Rico in 2021 representing the city of Cidra,[5] and also won the main title.