Esperanza Piñiero
- Full Name: Esperanza Piñiero
- Born: Cestus III (TNG Novel: A Time for War, A Time for Peace)
- Species: Human
- Gender: Female
- Father: Victor Piñiero
- Mother: Nereida Piñiero
- By c.2376: Commander, executive officer, Starfleet; USS Gorkon (TNG Novel: A Time for War, A Time for Peace; Novel: Articles of the Federation)
- c.2376: Resignation (TNG Novel: A Time for War, A Time for Peace; Novel: Articles of the Federation)
- April 2379: Campaign manager, Nanietta Bacco (TNG Novel: A Time for War, A Time for Peace; Novel: Articles of the Federation)
- November 2379: Chief of staff, United Federation of Planets (TNG Novel: A Time for War, A Time for Peace; Novel: Articles of the Federation)