Yes, TOEFL is generally accepted as a form of English proficiency for study visa applications in Canada. Many universities and colleges in Canada require international students to submit TOEFL scores as part of their application process. The TOEFL is a widely recognized and respected test of English proficiency, and it is accepted by many institutions and organizations around the world, including those in Canada.
That being said, it is important to check with the specific institution you are applying to in Canada to confirm their TOEFL requirements. As the application requirements can vary depending on the institution and program you are applying to. Also worth noticing that, TOEFL is one of the test accepted for English proficiency, other recognized test are IELTS and CELPIP, so you may check with the institution which one they are accepting.