Hmm, tough because I'm not a huge fan of most vampire movies , but I love vampires as a concept.
Dracula is a classic, Bela Lugosi just crushed the role.
I'm also really fond of Bram Stoker's Dracula as a visual spectacle.
What We Do In The Shadows fuckin rules. The TV show is even better
Shadow of the Vampire is incredible too. Willem DaFoe is absolutely insane as the Max Schreck
Other than that there isn't a whole lot I like, the made for TV Salem's Lot from the 80s is cool but a bit overlong. Hoping the new version handles the book well, it's my favorite Stephen King book. Lost Boys is wild, but it's very cheesy.
Edit: I forgot about From Dusk Till Dawn and Let the Right One In!