Claire van der Boom, born 1983, is an Australian actress. She first became known to Australian audiences for her roles in the TV series Love My Way and East West 101. In 2008, she starred in the Australian neo-noir thriller The Square. Internationally, she is best known for her appearance as Stella Karamanlis in the HBO miniseries The Pacific, and her recurring role playing the ex-wife of Det. Danny Williams in the 2010 remake of Hawaii Five-O.