There are so many paths it would be impossible to make a full list but here are some more common ones I have seen:
There are eclectics who take what they want of things and put them together as they see fit. There are Wiccans who believe in the dualtheism of The God and The Goddess. There is an insane amount of different types of Wiccans. Even Dianic Wicca and Christian Wicca which are said to not be, "real Wicca" but they exist. There are of course Christian witches who believe that part about, "no witchcraft" in the bible was eiher mistranslated, or believe in Jesus Christ but not the bible specifically. The reason why they are not thought to be, "true Wicca" is Christianity is monotheism, not dualtheism. There are multiple sects of Heathenery which focuses on the Norse parthenon of deities making Heathenery polytheism.
Much like Hellenic Polytheism also known as Hellemos which focuses on the Greek parthenon. Some would say Greek and Roman making it Greco-Roman. But the difference is some believe the Greek and Roman deities to be the same, some think they are completely seprate and different deities entirely. There of course Agnostic/Atheistic witches. They don't believe in a higher power but practice magick without religion. Some simply don't believe in gods. Some do not believe in gods or spirits. I have also seen some practitioners who say magick is working with spirits and if it's not spirit work you're just, "wishing really hard."
So this shows the point in how different people interpret witchcraft/magick/metaphysics differently. There is also Kermetism which is again, polytheistic. This focuses on the Eqyptian parthenon. There of course Eastern practices too such as Buddism and Shinto. There are Native American practices but they are a closed tradition by invite only. Then there is Celtic practitioners and the list just goes on and on. Also side note, not everyone who practices magick likes being refered to as a witch. Some prefer practitioner. some prefer pagan, some prefer viking or heathen lol. By the way to clarify, the above is what I have seen, heard, and read. I wish to present it unbiasly.