Here is a list of countries that require a travel
visa to Canada
Visa-required travellers to Canada
Canadian Citizen
A letter of invitation for someone to travel to Canada
Canadian friend/family writes letter to boost your visa application by explaining your visit.
A letter of Invitation for Business Visitors to Canada
Canadian company invites business partners for meetings/conferences.
A letter of support for someone who is being invited to Canada by someone else
Canadian vouches for you (not invitation). Strengthens visa by explaining relationship & finances.
A letter of invitation for your parents and/or grandparents for multiple entries into Canada (SuperVisa)
Multiple entry visitor visa specifically for the parents & grandparents of Canadian citizens & permanent residents
Note: It is important to note that a letter of invitation does not guarantee issuance of a visa. It is merely one of the documents needed in the visa application process.