Caitlin Singer goes by Caitie.
Caitlin Utter goes by Caitlin Michael Riley.
Caitlin Hickey goes by KK.
Caitlin Kelly goes by Cait.
Caitlin Dechelle goes by Cat.
Caitlin Hemm goes by Carolina.
Caitlin Mulvey goes by Catie Bell.
Caitlin Marzullo goes by K-Marz.
Caitlin Ward Howe goes by Cait.
Julie Caitlin Brown goes by JCB.
Caitlin McGowan goes by Catt, Cait, and Catie.
No, she's not a singer.
Caitlin Cary is a/an Singer, songwriter