If you like the name, then it is a good name. The Spanish word niña meaning "little girl", but 'Nina' itself doesn't have a proper meaning.
Nina Dolci's birth name is Sabrina Sidoti.
Nina Sandt's birth name is Nina Drer.
Nina Vanna's birth name is Nina Yasikova.
Nina Lindell's birth name is Nina Hyrske.
Nina Kandinsky's birth name is Nina Andreewsky.
Nina Zuckerman's birth name is Nina Francis.
Nina Companeez's birth name is Nina Kompaneitzeff.
Nina Brink's birth name is Nina Vleeschdrager.
Nina Bernardakis's birth name is Nina Alexandra Bernardakis.
Nina Sazonova's birth name is Sazonova, Nina Afanasyevna.
Nina Ruslanova's birth name is Ruslanova, Nina Ivanovna.
Nina Berberova's birth name is Berberova, Nina Nikolayevna.