The name Christina is a girl's name of Greek origin meaning "a Christian". Christina is ranked #408 on our popularity charts and is often added to lists like Saints' Names for Girls and discussed in our forums with posts like "Girls Makeover - Two Middles".
From the experts:
Christina, a pretty and feminine, crystal clear classic, may be trending downward, but it's never out of style. Christina's short forms Chris, Christie, and Tina all seem dated—making the royal Christina best used in its full glory.
Christina became a royal name in Sweden (Greta Garbo played Queen Christina in one of her classic films) and Spain, and it is more usable today than the French Christine.
Christina is now well represented by actresses Applegate, Ricci, and Mad Men's Hendricks, alongside singer Aguilera and Orphan Train novelist Baker Kline. Previous bearers include British poet Christina Rossetti and Australian novelist Christina Stead.
Christiana is a more distinctive variation.