Lesseeeee, there's Padma who went to school with him and is probably rather fond of him, even if she doesn't go out of her way to interact. (not that she does with anyone)
Wesley says "Hey, neat." And goes on with his life.
Charlotte probably would die to spend an afternoon chatting with Harry and taking his picture. Just saying.
George is like "MY BROTHER!" And squishes.
Let's be real, Eileen name-drops, "Yeah, he played Quidditch with my dad in school." Though, unless Harry and Oliver still hang out ever, she's probably never met him.
For Isobel, the fact that the Famous Harry Potter exists is just a fact of life, and she doesn't really care. If he comes into the pub, she'd treat him the same as any other customer.
FLEUR LOVES HIS FACE RIGHT OFF AND FEEDS HIM AND GIVES HIM WINE AND HUGS ON HIM. (Champions got to stick together, dude)
And Angus just doesn't care. "Pft. Famous. Who cares." And then goes to preen some more... fucking narcissist.