The name Zaina is a girl's name of Swahili origin meaning "beauty, grace". Zaina and is often added to lists like Baby Names That Mean Beautiful and discussed in our forums with posts like "Love, Like, Lose -- Outlandish/Guilty Pleasures edition!".
From the experts:
Zaina is the simplified form of Zaynab, the name of the eldest daughter of Muhammad. Zayna is another accepted spelling; the name is also found as Zainabu, which exists in both the Arabic and Swahili languages. These are all feminizations of the male Zayn, also spelled Zain, which sounds exactly like but is a fundamentally different name from Zane, rooted in Western culture as a variation of John. Confused yet? Zaina is an unusual name that is simple to understand and pronounce, all pluses, though the many spelling variations may cause mixups.