David Hyde Pierce is an American actor. For his portrayal of psychiatrist Dr. Niles Crane on the NBC sitcom Frasier from 1993 to 2004, he received four Primetime Emmy Awards for Outstanding Supporting Actor in a Comedy Series as well as two Screen Actors Guild Awards. Pierce has also received five Golden Globe Awards nominations for Best Supporting Actor for the role. He won the Tony Award for Best Actor in a Musical for his role of Lt. Frank Cioffi in the Broadway musical Curtains (2007).

Niles Crane is a fictional character on the American sitcom Frasier, a spin-off of the television show Cheers. He was portrayed by David Hyde Pierce. Niles is the younger brother of Frasier Crane.