| Orinoco Flow singer | 22 |
| Orinoco y Guadalquivir | 22 |
| Oriole or Blue Jay, e.g. | 24 |
| Oriole or Blue Jay, for short | 29 |
| Oriole or Tiger, for short | 26 |
| Oriole or Tiger, informally | 27 |
| Oriole or Yankee, briefly | 25 |
| Oriole or Yankee, informally | 28 |
| Oriole or Yankee, slangily | 26 |
| Oriole Park at __ Yards | 23 |
| Oriole Park at ___ Yards | 24 |
| Oriole's distant relative | 29 |
| Oriole's home, perhaps | 26 |
| Orioles catcher Hernández | 28 |
| Orioles manager Mazzilli | 24 |
| Orioles team physician? | 23 |
| Orioles third baseman Melvin | 28 |
| Orioles, Eagles or Cardinals | 28 |
| Orion made love to her | 22 |
| Orion Mars mission gp. | 22 |
| Orion's bright spot | 23 |
| Orion's brightest star | 26 |
| Orion's hunting companion | 29 |
| Orion, with "the" | 27 |
| Orkin agent's quarry | 24 |
| Orkney Islands ancient | 22 |
| Orkney Islands settler | 22 |
| Orkney land-tenure system | 25 |
| Orkney native, for one | 22 |
| Orkney's Skara ____ | 23 |
| Orlando Magic coach Van Gundy | 29 |
| Orlando of diamond fame | 23 |
| Orlando Predators' grp. | 27 |
| Orlando team water boy, e.g.? | 29 |
| Orlando's basketball team | 29 |
| Orlando's place (abbr.) | 27 |
| Orlando's state, briefly | 28 |
| Orlando's state: Abbr. | 26 |
| Orlando's ___ Arena | 23 |
| Orlando's ___ Bowl | 22 |
| Orlando-area attraction | 23 |
| Orlando-to-D.C. heading | 23 |
| Orlando-to-Ft. Myers dir. | 25 |
| Orléans's river | 22 |
| Orléans-to-Paris dir. | 24 |
| Orlop and promenade, for two | 28 |
| Orly plane, once (briefly) | 26 |
| Ormandy and O'Neill | 23 |
| Ormandy or O'Neill | 22 |
| Ormandy, to a Berliner | 22 |
| Ornament a metal surface | 24 |
| Ornament atop a church | 22 |
| Ornament carved in relief | 25 |
| Ornament for a uniform | 22 |
| Ornament made of ribbons | 24 |
| Ornament near the ground | 24 |
| Ornament resembling a flower | 28 |
| Ornament shaped like a flower | 29 |
| Ornament shaped like an egg | 27 |
| Ornamental accessories | 22 |
| Ornamental altar screens | 24 |
| Ornamental armor piece | 22 |
| Ornamental climbing plant | 25 |
| Ornamental climbing vine | 24 |
| Ornamental cord on clothing | 27 |
| Ornamental Eastern cup | 22 |
| Ornamental embroidered hole | 27 |
| Ornamental evergreen shrub | 26 |
| Ornamental flower shape | 23 |
| Ornamental flower, for short | 28 |
| Ornamental flowering vine | 25 |
| Ornamental gate or grill | 24 |
| Ornamental gilded bronze | 24 |
| Ornamental grating on a car | 27 |
| Ornamental grating, e.g. | 24 |
| Ornamental green stone | 22 |
| Ornamental Japanese carp | 24 |
| Ornamental Japanese fish | 24 |
| Ornamental jewelry stone | 24 |
| Ornamental lace edging | 22 |
| Ornamental light fixture | 24 |
| Ornamental needle case | 22 |
| Ornamental needle cases | 23 |
| Ornamental notions case | 23 |
| Ornamental pattern in art | 25 |
| Ornamental pattern, in art | 26 |
| Ornamental piece of drapery | 27 |
| Ornamental plume producers | 26 |
| Ornamental pond feature | 23 |
| Ornamental rooftop structures | 29 |
| Ornamental shoulder pad | 23 |
| Ornamental street tree | 22 |
| Ornamental tobacco holder | 25 |
| Ornamental tree of the Orient | 29 |
| Ornamental trees or shrubs | 26 |
| Ornamental tropical shrub | 25 |
| Ornamental wall recess | 22 |
| Ornamental wall section | 23 |
| Ornamental, poisonous shrub | 27 |
| Ornamentational styles | 22 |