Nicknames for Kathlen
10 nicknames, sorted by where they actually get used.
Office-safe
Kat
formal
Kath
formal
Len
formal
Playground-friendly
Kathy
casual
Kathie
casual
Leny
casual
Lenie
casual
Kay
casual
Kaie
casual
Family nicknames
Katkins
endearment
Kathlen carries 10 common short forms — Kat, Kath, and Kathy. The list splits into 3 office-safe picks and 6 playground-friendly options so you can match the moment.