Alina is one of the scores of global variations on the classic Helen, well used in Poland and Russia, and also heard in the Celtic and German cultures, as well as in the US. Alina might be a long form for a daughter you want to call Lena or Lina.
Alina, main character in Barbara Cartland's novel "The Dangerous Dandy"
Alina Starkov, main character of the "Grisha" trilogy
Alina/"Teri," main character in the film "The Equalizer"
Alina, one of the main characters in Ken Follet's "Pillars of the Earth"