Robert Michael Jeter (; August 26, 1952 – March 30, 2003) was an American actor and singer. His television roles included Herman Stiles on the sitcom Evening Shade from 1990 until 1994 and Mr. Noodle's brother, Mister Noodle, on the Elmo's World segments of Sesame Street from 2000 until 2003. Jeter's film roles include Zelig, Tango & Cash, The Fisher King, Sister Act 2: Back in the Habit, Waterworld, Air Bud, Mouse Hunt, Patch Adams, The Green Mile, Jurassic Park III, Welcome to Collinwood, Open Range, and The Polar Express.

Jeter was born in Lawrenceburg, Tennessee. He studied at Memphis State University and later pursued a career in acting. Jeter was known for his eccentric, pretentious, and wimpy characters, but occasionally played diverse roles in films like Jurassic Park III and Air Bud. He is best known for his role in The Green Mile, which earned him a Screen Actors Guild Award nomination. Jeter also appeared on Sesame Street as Mister Noodle from 2000 to 2003.

Throughout his career, Jeter won a Tony Award, an Emmy Award, and received several other accolades. He was openly gay and had been in a relationship with Sean Blue since 1995. Jeter was HIV positive but remained healthy for many years. He died from complications after an epileptic seizure.