Billy Boyd (born 28 August 1968) is a Scottish actor and musician most widely known for playing the characters Peregrin "Pippin" Took in the film adaptations of The Lord of the Rings.

Boyd was born in Glasgow, Scotland to William and Mary Boyd, who died, a year apart, when Boyd was in his early teens. He was raised, along with his older sister, Margaret, by their grandmother.

In 1984, at the age of sixteen, he appeared in local musical company Theatre Guild, Glasgow's production of Hans Anderson. He worked as a book-binder for 7 years before pursuing an acting career. One of the books he bound was The Lord of the Rings. He graduated from the Royal Scottish Academy of Music and Drama, where he earned a diploma in Dramatic Arts.

As well as being a screen actor, he also appears on the stage. He has been in several plays. He is also an accomplished musician, singing and also playing the guitar, bass, and drums. He wrote the melody for and sang in Peter Jackson's The Lord of the Rings: The Return of the King called The Steward of Gondor.

He topped list of top 100 Most Eligible Men in Scotland in 2002. He has also made a cameo appearance in the popular Scottish comedy Still Game in the second episode of the first series.

Boyd has a tattoo of the Elvish word for "nine", a reference to his involvement in the Lord of the Rings and the fact that his character was one of the nine members of the Fellowship of the Ring.

The other actors of "The Fellowship" (Elijah Wood, Sean Astin, Sean Bean, Ian McKellen, Dominic Monaghan, Viggo Mortensen, and Orlando Bloom) got the same tattoo, alledgedly with the exception of John Rhys-Davies whose stunt double got the tattoo instead.