Is there a group of people that still believe in greek and roman mythology?

Yes, there is a group of people that still believe in Greek and Roman mythology. They are known as Hellenists or Romanists, and they practice a modern religion based on the ancient beliefs and practices of the Greeks and Romans. Hellenism and Romanism are both recognized as legitimate religions in some countries, and they have adherents all over the world.

Hellenists and Romanists believe in the existence of the Greek and Roman gods and goddesses, and they worship them through prayer, rituals, and offerings. They also celebrate the traditional festivals and holidays of the ancient Greeks and Romans. In addition, many Hellenists and Romanists study the ancient texts and philosophy of their respective cultures, and they strive to live in accordance with the values and virtues of the ancient Greeks and Romans.

While Hellenism and Romanism are relatively small religions in terms of the number of adherents, they are both active and growing communities. They offer a unique and alternative perspective on spirituality and religious practice, and they provide a way for people to connect with the ancient cultures of Greece and Rome.