Iselin C. Hermann (born 22 June 1959 in Copenhagen, Denmark) is a Danish writer.
Hermann’s debut as an author was her 1998 epistolary novel Prioritaire, which has been published in more than 20 countries, and was one of the most successful Danish author debuts in recent times. Prioritaire has appeared in English under two different titles: Priority and Special Delivery. The English translator was G. Forester.
Since publishing her debut novel, she has written addition novels for adults, as well as books for children.
She received multiple grants from Statens Kunstfond between 2004 and 2007.