What religions are really against Christianity?

  • None.
  • Christians are persecuted in certain areas by people of many religions including Judaism, Islam, Hinduism, or Buddhism. However, this does not mean that all people of these religions behave in such a manner towards Christians and Christianity. For those who count it as a religion, Atheism is also inherently against Christianity.
  • Simply yet intellegently put... Atheism, Satanism, and Islam are against Christianity.