Scarlett Werner (née Kotschwara; born 21 November 1984) is a German former professional tennis player.
Her highest WTA singles ranking is 277, which she reached on 31 October 2011. Her career-high in doubles is world No. 199, achieved on 10 November 2003. She had a career-high junior singles ranking of world No. 10, on 17 January 2000.