Ramandu's daughter, also known as Lilliandil in the 2010 film version of The Voyage of the Dawn Treader, is a fictional character from The Chronicles of Narnia by C. S. Lewis. Introduced in the 1952 book The Voyage of the Dawn Treader, she aids Caspian X and the crew of Dawn Treader to break an enchantment on three of the Seven Great Lords of Narnia. Eventually she becomes Queen of Narnia, after marrying Caspian X, and bears his son, Rilian. In the 1953 novel The Silver Chair, the Lady of the Green Kirtle, in the form of a snake, kills her though she later reappears in the 1956 book The Last Battle. The character appears in adaptations of the book series; the television serial The Chronicles of Narnia, where she is portrayed by Gabrielle Anwar, and The Chronicles of Narnia film series, where Laura Brent plays the role.

The Chronicles of Narnia: The Voyage of the Dawn Treader is a 2010 high fantasy adventure film directed by Michael Apted from a screenplay by Christopher Markus, Stephen McFeely, and Michael Petroni, based on the 1952 novel The Voyage of the Dawn Treader, the third published and fifth chronological novel in the children's book series The Chronicles of Narnia by C. S. Lewis. The sequel to The Chronicles of Narnia: Prince Caspian (2008), it is the third and final installment in The Chronicles of Narnia film series. It is the only film in the series not to be distributed by Walt Disney Studios Motion Pictures, which was replaced by 20th Century Fox. However, Disney would eventually own the rights to all the films in the series following the acquisition of 21st Century Fox by Disney in 2019.