Sandi
Sandi meaning: Form of Alexander. Helper and defender of mankind.
Sandi origin: Greek
Sandi gender: Female

Sandia
Sandia meaning: Watermelon.
Sandia origin: Spanish
Sandia gender: Female

Sandie
Sandie meaning: Diminutive of Alexander: Defender of men; protector of mankind.
Sandie origin: Greek
Sandie gender: Male