This is a list of post-nominal letters used in Canada. The order in which they follow an individual's name is:

1. Distinctions conferred directly by the Crown
2. University degrees
3. Memberships of societies and other distinctions

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Normally no more than two are given, representing the highest award of each type.^[1] For decorations and medals, the order of precedence is the same as the order of precedence for the wearing of order insignias, decorations, and medals, as laid out by the Department of Canadian Heritage.^[2]

The exact hierarchy of professional degrees relative to academic degrees varies. For example, a Bachelor of Laws degree (LLB) from North American schools is treated as equivalent to a Juris Doctor degree (JD). On the other hand, a Bachelor of Applied Science degree (BASc) at many schools can be done straight of out highschool, and is treated as the same level as academic bachelor's degrees like a Bachelor of Arts degree.

In academic contexts, it is common to give an abbreviation of name of the school awarding the degree after the letters for the degree itself. The way school names are abbreviated can vary. For example, a PhD from Memorial University of Newfoundland can be found written as PhD (MUN) or PhD (Memorial). When a person has multiple degrees from the same school, the school name is only written once, after all degrees from that school.

Any person who, prior to 1 June 1972, was a member of a British order or the recipient of a British decoration or medal may use the post-nominal letters for the decoration or medal together with those of any Canadian order, decoration or medal.

Canadians can still be awarded British medals, as well as those from other countries, but this must first be approved by the Government of Canada. (See Nickle Resolution)

• Orders, decorations, and medals of Canada
• Canadian honorifics