Index - O
| Ocean Hop, The | An Oswald the Lucky Rabbit Cartoon |
| * Officer Duck | A Donald Duck Cartoon |
| Oh, Teacher | An Oswald the Lucky Rabbit Cartoon |
| Oh, What a Knight | Oswald, the Lucky Rabbit Cartoon |
| * Oilspot and Lipstick | Special Cartoon |
| Ol' Swimmin' Hole, The | Oswald, the Lucky Rabbit Cartoon |
| * Old Army Game, The | A Donald Duck Cartoon |
| * Old Geronimo | Unmade Short |
| * Old King Cole | A Silly Symphony |
| * Old MacDonald Duck | A Donald Duck Cartoon |
| * Old Mill, The | A Silly Symphony |
| * Old Sequoia | A Donald Duck Cartoon |
| * Olympic Champ, The | A Goofy Cartoon |
| * On Ice | A Mickey Mouse Cartoon |
| * Once Upon a Wintertime | From "Melody Time" |
| Opera Box (see Donald's Dynamite : * Opera Box) | |
| Opposite Town (see * Topsy Turvy Town) | |
| Opry House, The | A Mickey Mouse Cartoon |
| * Organ Donors | Disney Television : Mickey Mouse Works |
| * Orphans Benefit (1934) | A Mickey Mouse Cartoon |
| * Orphan's Benefit (1941) | A Mickey Mouse Cartoon |
| * Orphan's Picnic | A Mickey Mouse Cartoon |
| Out of Scale | A Donald Duck Cartoon |
| * Out of the Frying Pan Into the Firing Line | Wartime Short |
| * Out on a Limb | A Donald Duck Cartoon |
| Ozzie of the Mounted | An Oswald, the Lucky Rabbit Cartoon |