Yes. Use the **[Government of Canada’s visa checker](https://www.canada.ca/en/immigration-refugees-citizenship/services/visit-canada/check-visa-eta.html)**. Select “Travel through Canada to another destination (transit)” and answer the questions about your passport and journey.

**A short stop does not automatically exempt you.** Depending on your nationality and circumstances, you may need a transit visa, an electronic travel authorization (eTA), or neither. A transit visa generally covers eligible air connections lasting **48 hours or less**; a longer stay or a visit may require a visitor visa. See the [official transit guidance](https://www.canada.ca/en/immigration-refugees-citizenship/services/visit-canada/transit.html).

If you tell me which country issued your passport, your route, and how long you’ll be in Canada, I can help you interpret the requirements.