Jenny Dolfen (born 1975) is a German illustrator and teacher.
She was born in Bremerhaven, and in 2001, she received a degree in English and Latin at the University of Cologne. Dolfen lives near Aachen with her husband and her two children.
Dolfen has done artwork for several role-playing games, including Fuller Flippers' Quest Cards, Action Studios' Realms of Wonder, Final Sword Productions' The World of Erien and the German Das Schwarze Auge.
She is known for her fan art based on the works of J. R. R. Tolkien, chiefly The Silmarillion. Dolfen won the inaugural Tolkien Society award in the category "best artwork" in 2014, for her watercolour painting "Eärendil the Mariner".
Dolfen has made illustrations for George R. R. Martin's novel A Song of Ice and Fire, as documented in the 2005 book The Art of George R.R. Martin's A Song of Ice and Fire.