To the Christian religion yes, not Wicca though.
As this question was asked in the Paganism category, one Pagan answer is "most certainly not". The concept of "sin" is not really one that Pagans in general adhear to.
Witch craft - the craft or practice of a witch often known as magic is the manipulation of naturally occurring forces by the hand and will of a (hopefully) ethical practitioner. There is nothing "sinful" in what we do.
It depends on your religion. To Christians and other similar religions witchcraft may be considered blasphemy, but to others it may not. It also depends on you point of view- do YOU believe it's blasphemy? Why? Think about how witchcraft correlates with your beliefs and life and go from there. I'm sorry I couldn't give you a straight answer, but it really is based on your viewpoints and your religion!
rebellion
The Bible says very clearly that rebellion is like witchcraft. It says that like witchcraft is a sin, so is rebellion a sin.
rebellion
People usually think of things like stealing, lying and killing as sin but these things are evidences of sin. Sin is missing the mark (the mark is God) sin is being unlike God. The effects of sin are seen as immoral, filthy, and indecent actions, worship of idols and witchcraft. People become enemies and they fight; they become jealous, angry, and ambitious. etc etc.
It is actually a sin to believe in witch craft when you are catholic. :)--To the person who posted above: Your obnoxious comments do not answer my question, please keep them to yourself.
The proper name for witchcraft is Witchcraft with a capital "W."
no Herman is not witchcraft
"I am innocent as the child unborn, but surely what sin hath God found out in me unrepented of, that he should lay down such an affliction on me in my old age. "
Sure, kitchen witchcraft has a lot to do with food.
Do you mean 'What is the Welsh for witchcraft?' That is 'dewiniaeth'.
There is witchcraft in league of legends.
Freemasons do not practice witchcraft.