Kerstin Perski (born 1960) is a Swedish librettist, playwright and author. She was raised in Stockholm and after her aducation at Dramatiska Institutets Teaterdramaturglinje she worked for several years a dramatisk and freelance dramaturge, mainly with groups as Orionteatern, Teater Bouffons and The Jewist Theatre. Since 1995 she has also been active as a Lyricist and music dramatist, which has lead to the completion of several operas in co-operation with Swedish and Danish composers as f.eks. Hans Gefors, Paula af Malmborg Ward, Jonas Fossell and Niels Marthinsen.