Elvira Mendes, sometimes called Elvira or Geloria Menéndez of Portugal or Galicia, (c. 996 – 20 December 1022), was Queen of León (1008-1022). Daughter of Count Mendo Gonçalves II of the First County of Portugal (House of Vímara Peres) and corregente of León, descendent of the highest nobility of Portugal and Galicia, she married Alfonso V of León (before 1010). She was the mother of King Bermudo III of León.

Family
By her husband, Alfonso V of León, Elvira had three children:
1. Bermudo III of León (c.1015-1037)
2. Sancha of León (c.1020-1067), married Ferdinand I of Leon
3. Jimena of León, married Fernando Gundemariz