This category is for celebrities who have interacted with the Muppets. The list can include, but isn't limited to: guest stars, movie roles, and talk show hosts. See also: Category:Celebrity References.
All items (2550)
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- Conan O'Brien
- Soledad O'Brien
- Jerry O'Connell
- Nancy O'Dell
- Chris O'Donnell
- Rosie O'Donnell
- Chris O'Dowd
- Catherine O'Hara
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- Ed O'Neill
- Bill O'Reilly
- Annie O'Shea
- Peter O'Toole
- Barack Obama
- Michelle Obama
- Jacqueline Obradors
- Leslie Odom Jr.
- Nick Offerman
- Sandra Oh
- OK Go
- Keith Olbermann
- Gary Oldman
- Jamie Oliver
- John Oliver
- Timothy Olyphant
- One Direction
- OneRepublic
- Rita Ora
- Jerry Orbach
- Gladys Ormphby
- Robert Osborne
- Kelly Osbourne
- Ozzy Osbourne
- Sharon Osbourne
- Brad Oscar
- Charles Osgood
- Haley Joel Osment
- Marie Osmond
- Donny Osmond
- Laura Osnes
- Patton Oswalt
- Beverley Owen
- Buck Owens
- Gary Owens
- Mehmet Oz
- Seiji Ozawa