Main Characters:
* Austin Powers: The International Man of Mystery
* Dr. Evil: Austin's arch-nemesis and sworn enemy
* Vanessa Kensington: Austin's love interest and secret agent
* Mini-Me: Dr. Evil's tiny clone
* Number Two: Dr. Evil's faithful and often incompetent sidekick
Recurring Characters:
* Fat Bastard: Dr. Evil's large, gluttonous henchman
* Scott Evil: Dr. Evil's son, known for his angst and disinterest in evil
* Frau Farbissina: Dr. Evil's longtime girlfriend and accomplice
* Basil Exposition: The ever-present narrator of the films
* The British Secret Service: Austin's employer and source of support
* Various Henchmen: Dr. Evil's team of often inept and expendable assistants
Characters from Specific Movies:
Austin Powers: International Man of Mystery (1997):
* Alotta Fagina: A voluptuous Italian actress who becomes Austin's temporary love interest
* Goldmember: A flamboyant and ruthless criminal mastermind
* Rob and Bob: Two identical twins who work as Dr. Evil's henchmen
Austin Powers: The Spy Who Shagged Me (1999):
* Dr. Evil's Mom: Dr. Evil's domineering mother, who secretly holds a grudge against him
* The Woman in White: A mysterious and dangerous assassin who works for Dr. Evil
* The Swedish Bikini Team: A group of scantily-clad women who serve as Dr. Evil's personal guards
* Nigel Powers: Austin's father, a famous spy known for his unusual methods
* Elizabeth Powers: Austin's mother, who is revealed to be a secret agent
Austin Powers in Goldmember (2002):
* Goldmember: The flamboyant and ruthless criminal mastermind who serves as the main villain
* Mustafa: A Middle Eastern villain who helps Dr. Evil in his plan
* Foxxy Cleopatra: A sassy and skilled secret agent who becomes Austin's love interest
Other Notable Characters:
* The Queen: The Queen of England, who is shown to be amused by Austin's antics
* The President: The President of the United States, who is often seen as a victim of Dr. Evil's schemes
* Various Celebrities: Several famous actors and musicians appear in the films, often playing themselves in humorous cameos.