Ana is also a slang term for Anorexia. Having said that, I don't think it ruins the name, but being someone who's dealt with an eating disorder, it's the first thing that pops into my mind when I hear the name Ana.
― Anonymous User 6/22/2015
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I wonder if this name could be a short form of Anastasia. Hmmm.
I am half Fijian and that is where my name (ANA!) comes from There are lots of Ana's there with the same spelling but I have no idea what the Fijian meaning is or if there even is one!