Trinidad "Trina" Padilla de Sanz (1894 – 1957) was a Puerto Rican writer. She was born in Vega Baja and adopted at Arecibo; she was a piano teacher, storyteller, and poet. The daughter of the doctor and poet José Gualberto Padilla, known as "El Caribe" ("The Caribbean"). Thus, Trina Padilla de Sanz was known as "La Hija del Caribe" ("The Daughter of the Caribbean"). She studied at Ruiz Arnau high school in Arecibo. At the age of 18, she married Ángel Sanz and translated to Madrid and enrolled at Real Conservatorio and took piano lessons before returning to Arecibo.
Character in the musical Falsettos. Trina is a Jewish housewife whose husband leaves her for another man. Pronounces it TrIHna (close to TrEna) and not Treena.
Trina is a character in the film "Penny Serenade" adopted by Cary Grant and Irene Dunne, Cary treats her like a princess but is heart-broken when she dies. This name is for a princess.