There are a few. Noe, Elle, Ellie etc... I really like Noah as a nickname for Noelle though.
Noelle
The Hawaiian equivalent of "Noelle" is "Noelani," which means "heavenly mist."
Noelle Peyton's birth name is Noelle Christina Peyton.
Noelle Cope's birth name is Noelle Elizabeth Cope.
Noelle Thurin's birth name is Noelle Deborah Thurin.
Karina Noelle's birth name is Karina Noelle Castillo.
Noelle Foley's birth name is Noelle Margaret Foley.
Noelle Nikpour's birth name is Noelle Michelle Nikpour.
Noelle Hensler is 5' 9".
Noelle McHugh's birth name is Maria Noelle McHugh.
Cassandra Noelle Tomlinson's birth name is Cassandra Noelle Jacober.
Marie Noelle Marquis's birth name is Marie-Noelle Marquis.