Do I need to file form 3520,3520-A 5471,8621 or 8865 or Fbar when all the dollars held in my Canadian bank are Canadian dollars and are part of my RRSP?

[KarenJ]

Yes, you need to report your RRSP on both the FBAR and Form 8938 if you meet the filing requirments.

https://www.irs.gov/businesses/comparison-of-form-8938-and-fbar-requirements

https://hodgen.com/the-ultimate-rrsp-and-the-irs-essay/