We do! In fact, tell people you're registered at babylist.ca.
That said, there are a few things to be aware of when adding items to your registry if you do not reside in the US. The products sold by Babylist in our store don't ship to Canada. You want to make sure you're using the bookmark button or the app and sticking to Canadian retailers (like well.ca, toysrus.ca, snugglebugz.ca, amazon.ca etc.)
Here's a good resource for Canadian retailers.