If you mean exist, no. They are fictional beings in many different stories. If you mean insist, then some "certain" vampires very much insist on ruining the rest vampires for the rest of us.
Vampires become vampires by being bitten by another vampire, no-one knows why they exist thought there are several theories: 1. they evolved as did humans as predictor's for humans 2.they are fallen...
If your asking about the first vampire that was created, then the very fist vampire was Mikael. He was the father of the originals, and the one that turned them.