| Oklahoma tribe members | 22 |
| Oklahoma tribesman (Var.) | 25 |
| Oklahoma university city | 24 |
| Oklahoma's state tree | 25 |
| Oklahoma's time zone | 24 |
| Oklahoma-to-Kentucky dir. | 25 |
| Okra cross sections, e.g. | 25 |
| OKs you can't hear | 22 |
| Oksana Baiul's hometown | 27 |
| Oktober and song, for two | 25 |
| Oktoberfest "Oh!" | 27 |
| Oktoberfest accompaniment | 25 |
| Oktoberfest band instrument | 27 |
| Oktoberfest beverage holder | 27 |
| Oktoberfest collectibles | 24 |
| Oktoberfest containers | 22 |
| Oktoberfest entertainers | 24 |
| Oktoberfest entertainment | 25 |
| Oktoberfest exclamation | 23 |
| Oktoberfest instrument | 22 |
| Oktoberfest order, perhaps | 26 |
| Ol' Blue Eyes classic | 25 |
| Ol' Blue Eyes' family | 29 |
| Ol' Blue Eyes, to Nancy | 27 |
| Ol' Blue ___ (Sinatra) | 26 |
| Olajuwon of the N.B.A. | 22 |
| Olé's American cousin | 28 |
| Olcott's 1899 hit song | 26 |
| Old ''you'' | 27 |
| Old "Batman" word | 27 |
| Old "before" | 22 |
| Old "King" Cole | 25 |
| Old "Oh my gosh!" | 27 |
| Old "S.N.L." name | 27 |
| Old A.L. Senators, for short | 28 |
| Old ad figure with a big nose | 29 |
| Old African big-game gun | 24 |
| Old African queen, familiarly | 29 |
| Old agricultural letters | 24 |
| Old Alka-Seltzer mascot | 23 |
| Old Alka-Seltzer pitchman | 25 |
| Old alliance that incl. Egypt | 29 |
| Old alpaca wool gatherer | 24 |
| Old alphabet character | 22 |
| Old alphabetical character | 26 |
| Old alphabetical script | 23 |
| Old alternative to regular | 26 |
| Old amusement park feature | 26 |
| Old analog synthesizer brand | 28 |
| Old animated heroine Flux | 25 |
| Old anti-Communist assn. | 24 |
| Old anti-Communist grp. | 23 |
| Old anti-Communist phenomenon | 29 |
| Old anti-Communist reaction | 27 |
| Old anti-Sri Lanka war chant? | 29 |
| Old antiknock gasoline | 22 |
| Old antisubversive group | 24 |
| Old antisubversive grp. | 23 |
| Old artificial leg material | 27 |
| Old as Methuselah, in a way | 27 |
| Old ashtray locales aloft | 25 |
| Old astronomical arrangement | 28 |
| Old Atari model, in old Rome? | 29 |
| Old Athenian meeting place | 26 |
| Old Athens shopping hub | 23 |
| Old Atlanta sports arena | 24 |
| Old Atlantic Ocean crosser | 26 |
| Old atlas abbreviation | 22 |
| Old auto, the ___ Bearcat | 25 |
| Old ball park in Philadelphia | 29 |
| Old Banca d'Italia unit | 27 |
| Old bandleader Columbo | 22 |
| Old bandleader Edmundo | 22 |
| Old barnstorming needs | 22 |
| Old bath water quality | 22 |
| Old Bea Arthur TV series | 24 |
| Old beater for clothes | 22 |
| Old Big Apple restaurateur | 26 |
| Old Bikini Bare competitor | 26 |
| Old billiard ball material | 26 |
| Old bird of New Zealand | 23 |
| Old Black Sea borderer: Abbr. | 29 |
| Old bloc in Parliament | 22 |
| Old blues singer Ma ___ | 23 |
| Old boat-steering tool | 22 |
| Old book's content | 22 |
| Old Boston Bruin nickname | 25 |
| Old Boston Garden nickname | 26 |
| Old boxing champ Willard | 24 |
| Old brand along the turnpike | 28 |
| Old Brazilian currency | 22 |
| Old brewery name in Detroit | 27 |
| Old bridge expert Culbertson | 28 |
| Old Bristol-Myers toothpaste | 28 |
| Old Britain-China conflict | 26 |
| Old British gold coins | 22 |
| Old British rule in India | 25 |
| Old British ruling family | 25 |
| Old British sports cars | 23 |
| Old Broadway production grp. | 28 |