Sheynnis Alondra Palacios Cornejo (Latin American Spanish pronunciation: [ʃejˈnis palaˈsjos]; born 30 May 2000) is a Nicaraguan model and beauty pageant titleholder who won Miss Universe 2023.

[5][6] Afterwards, Palacios enrolled in the Central American University in Managua, graduating with a bachelor's degree in mass communication in 2022.

In order to pay for her education, Palacios made and sold buñuelos with her mother and maternal grandmother, for which she was bullied at school.

[4][8] In her youth, Palacios suffered from anxiety attacks, which later inspired her to adopt mental health awareness as her pageant platform.

[5] Palacios's Miss Universe win was controversial in Nicaragua, as pictures of her participation in the 2018–2022 Nicaraguan protests against President Daniel Ortega.

[30] Palacios's win was celebrated by members of the Nicaraguan opposition, which led to Vice President and First Lady Rosario Murillo denouncing what she called "evil, terrorist commentators making a clumsy and insulting attempt to turn what should be a beautiful and well-deserved moment of pride into destructive coup-mongering.