Adina Emilia De Zavala (November 28, 1861 – March 1, 1955) was an American teacher, historian and preservationist of Texas history. Her efforts led to saving the Alamo Long Barrack Fortress for future generations. She was born to Augustine De Zavala (originally de Zavala), son of Lorenzo de Zavala, the first Vice President of the Republic of Texas. Adina's mother Julia Tyrrell De Zavala was born in Ireland. In 1994, Recorded Texas Historic Landmark Marker number 86 was placed at Alamo Plaza to honor De Zavala.In 2008, Texas Historical marker number 15124 was placed in St. Mary's Cemetery to honor De Zavala's contributions to Texas.