Cett refers to three characters within Brandon Sanderson's Mistborn trilogy.
- Ashweather Cett - Westerner from Fadrex City; military leader who was crippled by a disease in childhood.
- Allriane Cett - Rioter daughter of Ashweather Cett; romantically involved with Breeze.
- Gneorndin Cett - Ashweather Cett's only son; brother to Allriane.