- For other articles titled Bob, see Bob (disambiguation).

Robert Dow Jellison (21 August 1908 - 21 April 1980) was an American actor.
He appeared in films and television shows such as:
- The Life of Riley (TV Series) as Waldo
- The Bob Hope Show (TV Series) in the 1954 episode "Dorothy Lamour, Edmond O'Brien and Sheldon Leonard"
- A Star Is Born (1954) as Eddie
- I Married Joan (TV Series)
- Where's Raymond? (TV Series) as Harry
- Abbott and Costello Meet the Keystone Kops (1955)
- I Love Lucy (TV Series)
- It's a Great Life (TV Series)
- The Life and Legend of Wyatt Earp (TV Series) in the 1956 episode "Mr. Cousin and Mr. Brother"
- Hawkeye and the Last of the Mohicans (TV Series) in the 1957 episode "Snake Tattoo" as Huron
- The Lucy-Desi Comedy Hour (TV Series) in the 1958 episode "Lucy Hunts Uranium" as the bellhop
- Peter Gunn (TV Series) in the 1958 episode "The Chinese Hangman" as Sergeant Keep
- Bat Masterson (TV Series) in the 1959 episode "River Boat" as Mr. Perry
- Li'l Abner (1959)
- Johnny Midnight (TV Series)
- Shirley Temple's Storybook (TV Series) in the 1960 episode "Babes in Toyland" as the Jailer
- Dennis the Menace (TV Series)
- Have Gun - Will Travel (TV Series) in the 1961 episode "Blind Circle" as the Parsons
- 77 Sunset Strip (TV Series)
- The Jack Benny Program (TV Series)
- The Farmer's Daughter (TV Series)
- Kraft Suspense Theatre (TV Series) in the 1963 episode "The Name of the Game" as the small man
- The Danny Thomas Show (TV Series) in the 1964 episode "Tonoose Gets a Job" as Jerry MacFarland
- The New Phil Silvers Show (TV Series) in the 1964 episode "Auntie Up" as Charlie
- My Favorite Martian (TV Series) in the 1965 episode "Never Trust a Naked Martian" as Mister Dinkle
- The Adventures of Ozzie and Harriet (TV Series)
- Green Acres (TV Series) in the 1965 episode "The Decorator" as Roland Wilson
- My Mother the Car (TV Series)
- The Beautiful Phyllis Diller Show (TV Series)
- The Red Skelton Hour (TV Series)
- The Doris Day Show (TV Series) as Smokey
- Petticoat Junction (TV Series)
Ookiness[]
Jellison played Henry Sandhurst in The Addams Family episode "Halloween - Addams Style".