Ginny Weasley.
No, Harry never had a crush on Hermione.
Ginny Weasley, Ron's little sister, had a crush on Harry ever since The Chamber of Secrets. When Ginny told Malfoy to "leave [Harry] alone," in the Flourish and Blotts bookshop, Malfoy said, "Oh look, Potter. You've got yourself a girlfriend!"
Harry Potter and the Sorcerer's Stone 10 Harry Potter and the Chamber of Secrets 11 Harry Potter and the Prisoner of Azkaban 13 Harry Potter and the Goblet of Fire 14 Harry Potter and the Order of the Phoenix 16 Harry Potter and the Half-Blood Prince18 Harry Potter and the Deathly Hallows 19
Yes, they get married and have a family together in the epilogue.
No.
Ginny Weasley and cho Chang are both know to have a crush on Harry
Well at first Harry has a crush on Cho but that ends badly. Later he has a crush on Ginny and later they get married.
No, but she always had a crush on Ron Weasly.
No, he is a fictional character.
Romilda Vane.
Over the series, various girls have a crush on him: Cho Chang, Romilda Vane and Ginny Weasly. Harry Potter 1-3: Ginny Weasley has a crush on Harry. Harry Potter 4: Maybe Cho Chang - but Cho Chang was dating Cedric Diggory who died... Harry Potter 5: Cho Chang has a crush on Harry and they later start dating. Harry Potter 6: Romilda Vane and her friends are obsessed with Harry and tries to slip him a love potion which he doesn't use but Ron does. Then in the middle of the movie and close to the end of the book Harry and Ginny kiss and become girlfriend/boyfriend. Harry Potter 7: Ginny still loves Harry but they are apart and don't see each other for most of the book In the end, Harry marries Ginny Weasley.
Harry Potter had a crush on Cho Chang, a Ravenclaw student in the year above. He asked her to the Yule Ball, but she was already going with Cedric Diggory.