Affirmation is a declaration that something is true. Specifically, it may refer to:

• in logic, the union of the subject and predicate of a proposition
• Affirmation in law, a declaration made by and allowed to those who conscientiously object to taking an oath
• Affirmation of St. Louis, the founding document of the Continuing Anglican Movement churches
• Affirmations (New Age), the practice of positive thinking in New Age terminology
• Affirmative prayer, a form of prayer that focuses on a positive outcome

As a proper noun, Affirmation may be:

• Affirmation (Beverley Knight album)
• Affirmation (Savage Garden album)
  • "Affirmation" (song), title track of this album

See also

• Affirmation: Gay & Lesbian Mormons, an international Mormon organization
• Affirmation Scotland, a LGBT group within the Church of Scotland
• Affirmative (disambiguation)
• Negation

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