Can I be a witch and keep the religion I was raised in?

Many practitioners do exactly this, and have for a very long time. The idea that witchcraft and religion are mutually exclusive categories is historically recent and geographically specific. Across much of the world and throughout most of history, folk magick and religious practice were woven together without contradiction.

Whether this works for you depends on what you mean by both terms.

Where blending has deep roots

Christian witchcraft has a long and documented history in European and Latin American folk traditions. Curanderismo, folk Catholicism, and Southern conjure all blend Christian prayer, saints, and scripture with folk magick practices in ways that practitioners within those traditions do not experience as contradictory. Jewish mysticism produced Kabbalah, an elaborate system with its own magickal dimensions. Syncretic traditions across Africa and the African diaspora, such as Candomble and Umbanda, hold devotional religion and magickal practice in the same breath.

None of these are Wicca. They are their own traditions with their own histories. But they demonstrate that the combination of religious faith and magickal practice is not unusual or incoherent; it has simply been common in some places and suppressed in others.

Where real tensions arise

Some faith traditions do hold that magick and divination are incompatible with their teachings, and this is worth taking seriously rather than dismissing. If your tradition has a clear position on this and that position matters to you, you will need to sit with the tension honestly rather than paper over it. For some practitioners, this tension resolves over time as their understanding of their religion deepens. For others, it precipitates a genuine shift in belief. Neither outcome is predictable in advance.

There is also a difference between traditions that are explicitly closed to outside practitioners and those that are simply unfamiliar with magick as a framework. Working respectfully within your own religious background is different from grafting elements of a closed tradition onto your existing faith.

Questions worth sitting with

What does witchcraft mean to you at its core? Is it a set of techniques, a cosmology, a relationship with nature, a way of working with intention? And what does your religion mean to you? When you look at both clearly, you may find they have more in common than you expected, or you may find a genuine conflict that requires a real choice. Either outcome is more useful than pretending the question is simpler than it is.

Many practitioners find that their inherited faith and their magickal practice deepen each other. Many others find that their path eventually leads them away from the religion of their upbringing toward something that fits better. Both paths are walked by real people in good faith, and there is no universal answer here except your own honest examination.

You are allowed to take the time that this requires.