Based on total assets as of the end of 2021, the top 10 largest Canadian banks are:

1. Royal Bank of Canada (RBC)
2. Toronto-Dominion Bank (TD Bank)
3. Bank of Nova Scotia (Scotiabank)
4. Bank of Montreal (BMO)
5. Canadian Imperial Bank of Commerce (CIBC)
6. National Bank of Canada
7. HSBC Bank Canada
8. Laurentian Bank of Canada
9. Canadian Western Bank
10. Desjardins Group (including its subsidiary Desjardins Bank)

Note: That the ranking may vary based on different criteria and sources.

The Royal Bank of Canada (RBC) is the largest bank in Canada by total assets, and it is also one of the largest banks in the world. RBC was founded in 1864 and is headquartered in Toronto. The bank offers a wide range of financial services to individuals, businesses, and institutions, including personal and commercial banking, wealth management, investment banking, and insurance. RBC operates in Canada, the United States, and several other countries around the world, and it has more than 17 million clients.

The Toronto-Dominion Bank (TD Bank) is one of the largest banks in Canada and the United States. Headquartered in Toronto, TD Bank was formed in 1955 through the merger of The Bank of Toronto and The Dominion Bank. The bank offers a variety of financial services, including personal and commercial banking, wealth management, investment banking, and insurance. TD Bank operates more than 1,200 branches and over 2,800 ATMs in Canada and over 1,200 branches and 2,500 ATMs in the United States, making it one of the largest banks in North America.

The Bank of Montreal (BMO) is one of the oldest banks in Canada, founded in 1817. BMO is headquartered in Toronto and offers a range of financial services to individuals, businesses, and institutions, including personal and commercial banking, wealth management, investment banking, and insurance. BMO operates in Canada, the United States, and several other countries around the world, and it has more than 12 million customers. BMO is also known for its focus on sustainability and its commitment to environmental, social, and governance (ESG) issues.

The National Bank of Canada is a major bank headquartered in Montreal, Quebec. It was founded in 1859 and offers a wide range of financial services, including personal and commercial banking, wealth management, investment banking, and insurance. The bank operates primarily in Canada and has a strong presence in the province of Quebec, as well as in other parts of the country. National Bank of Canada is also known for its focus on responsible business practices and its commitment to sustainability, including its efforts to reduce its carbon footprint and support renewable energy projects.

HSBC Bank Canada is a subsidiary of HSBC Holdings, a multinational banking and financial services company headquartered in London, UK. HSBC Bank Canada is headquartered in Vancouver and offers a range of financial services to individuals, businesses, and institutions, including personal and commercial banking, wealth management, investment banking, and international trade services. HSBC Bank Canada has a significant presence in Canada, with more than 100 branches and offices across the country. It is also known for its global reach and expertise, which allows it to serve the needs of international clients who do business in Canada.