Yes, there might be. The Harry Potter and Ghost Rider universes are both rich in their own unique elements. Some creative fans might be intrigued by the idea of combining the magical world of Harry Potter with the supernatural and dark elements of Ghost Rider. They could create a fanfiction exploring how the characters interact, for example, how Harry Potter would react to the presence of Ghost Rider in his world or vice versa.
One possibility could be that the Ghost Rider somehow ends up in the wizarding world. Maybe he's chasing a demon that has escaped into Hogwarts. The students and professors would be both terrified and intrigued by his flaming skull and his powers. Harry Potter might team up with him to defeat the demon and learn some new, dark forms of magic in the process.
Hermione Granger. She's very curious and intelligent. When she sees Ghost Rider, she would be eager to learn about his powers and where he comes from. She might try to research in the Hogwarts library if there's any mention of his kind of being, and then try to communicate with him using her vast knowledge.
Ron would likely be more on the scared side at first. He'd be hesitant to get too close to the Ghost Rider, but as he saw the Ghost Rider using his power to fight against dark forces, he might start to respect him. Ron would probably crack some jokes along the way to ease the tension, like comparing the Ghost Rider's flaming head to a really over - the - top Weasley's Wizard Wheezes product.
One idea could be that Harry Potter, with his magical abilities, meets Ghost Rider in a parallel dimension. Their initial encounter is filled with mistrust as they come from such different worlds. But as they are forced to work together to face a common enemy, they start to understand each other more deeply and a yaoi - themed relationship could develop from there, with shared moments of vulnerability and mutual admiration.
One possible plot could be that Harry discovers he has the power of Ghost Rider after a strange encounter in the Forbidden Forest. He then has to keep it a secret from his friends and teachers while trying to figure out how to control it. Meanwhile, Voldemort senses this new power and tries to either steal it or destroy Harry because of it.
Maybe Harry Potter somehow gets the powers of the Ghost Rider. He could use the flaming skull and chain to fight against Voldemort and his Death Eaters in a really cool and unexpected way. For example, the hellfire could be used to counter the Dark Arts spells.
Another concept is that Naruto is possessed by a spirit similar to the Ghost Rider. His friends initially fear him, but he has to prove that he can use this new power for good. He might have to learn how to use the power without being consumed by the rage and darkness that often comes with it.
There's a Ghost Rider crossover with Blade that's really interesting. In this fanfiction, their shared vampire - hunting nature brings them together. They have different approaches though. Ghost Rider with his hell - based powers and Blade with his vampire - slaying skills make for an exciting dynamic as they face a new breed of vampires that are immune to normal vampire - killing methods.
There are probably some 'Harry is the Ghost Rider' fanfictions floating around. To find them, you could also try joining relevant fan groups on social media platforms. Fans in these groups might be able to recommend some great ones they've come across. Additionally, when you do find some fanfictions with this concept, pay attention to the reviews and ratings. A highly rated one is more likely to be a good read, but don't be afraid to try out some less popular ones too as they might have a unique take on the idea of Harry being the Ghost Rider.