Juan's wife can be referred to by several names. The most common name is 'Esposa', which is a Spanish word for wife and has 6 letters. Another name for Juan's wife is 'Eva', which is a Hebrew name meaning 'LIFE' and has 3 letters. A third name for Juan's wife is 'Evita', which is a diminutive of the name Eva and has 5 letters. Lastly, Juan's wife can also be referred to as 'SENORA', which is a Spanish word for Mrs. or Madam and has 6 letters.