Tam Lin is a character in a legendary ballad originating from the Scottish Borders. It is also associated with a reel of the same name, also known as the Glasgow Reel. The story revolves around the rescue of Tam Lin by his true love from the Queen of the Fairies. The motif of winning a person by holding him through all forms of transformation is found throughout Europe in folktales.

In folklore and literature, the Fairy Queen or Queen of the Fairies is a female ruler of the fairies, sometimes but not always paired with a king. Depending on the work, she may be named or unnamed; Titania and Mab are two frequently used names. Numerous characters, goddesses or folkloric spirits worldwide have been labeled as Fairy Queens.