María Amalia Matamoros Solís is a Costa Rican model and beauty pageant titleholder who won Reinas de Costa Rica 2008 and went on to represent her country in Miss World 2008 in Johannesburg, South Africa, on December 13, 2008.

On October 29, 2009, she represented Costa Rica in Reina Hispanoamericana 2009 in Santa Cruz, Bolivia, winning the Miss Photogenic title.

After years of absence from beauty contests, she took part in the Miss Costa Rica 2014 pageant, where she represented Alajuela Province.

In October 2017, she was the representative of Costa Rica in Miss Grand International 2017, held at the Vinpearl Convention Center in Phú Quốc Island, Vietnam.

[3] During the evening gown competition held on October 23, she unintentionally garnered the attention of the media because of her fall on stage after she tripped on the hem of her long dress.