Sarah Klau (born 30 September 1994) is an Australian netball player in the Suncorp Super Netball league, playing for the New South Wales Swifts.
Klau began her netball career for the Adelaide Thunderbirds in 2016, before moving to the New South Wales Swifts for the inaugural season of the new Suncorp Super Netball league. She impressed in her debut match in round 1 and went on to feature consistently in the Swifts backline team. She was selected in the Australian Diamonds squad for the 2018/19 international season.