Ernestina Maenza
| Personal information | |
|---|---|
| Full name | Ernestina Maenza Fernández-Calvo | 
| Nationality | Spanish | 
| Born | 22 December 1908 Lucena, Spain  | 
| Died | 25 July 1995 (aged 86) Madrid, Spain  | 
| Spouse | Enrique Herreros | 
| Sport | |
| Sport | Alpine skiing | 
Ernestina Maenza (22 December 1908 – 25 July 1995) was a Spanish alpine skier. She competed in the women's combined event at the 1936 Winter Olympics with Margot Moles being the first Spanish female to participate in a Winter Olympic Games.
She was married with Enrique Herreros mountaineer, humorist, drafter, poster artist, filmmaker and mountaineer, with whom she had a child.