|Portrayed by:||Andrea Brooks|
|First appearance:||The Convergence of the Twain|
|Significant Other/s:||Madeleine Loomis (friend)|
Joanne Carlson is a web designer who is a friend of Madeleine Loomis. The latter tried to set her up on a double date with Norman Bates but when everyone went out to dinner he felt very uncomfortable talking about his late mother and excused himself to go to the bathroom.