Katlin (born June 20, 1986) is an Italian singer, best known as one of the two singers of the Italian metal band Octo Crura.
Her vocal style includes both growls, screaming and clean vocals.

Her great passion, since she was a girl, was thrash and death metal, admiring singers like Warrel Dane, Chuck Billy, Phil Anselmo and Randy Blythe.

Katlyn, along with singer Velenia, dresses up as a spider queen for her music videos and live performances.

Clean singing is performed by Velenia.