| 128 oz. | 7 |
| 128 oz., in the U.S. | 20 |
| 128-character set | 17 |
| 128-cubic-foot measure | 22 |
| 128th of a gallon | 17 |
| 12:00 12:00 | 12 |
| 12:00 flasher | 13 |
| 12:00 in the daytime | 20 |
| 12:00 noon: 1997 Julia Roberts film | 35 |
| 12:00 p.m. | 10 |
| 12:15 at J.F.K., perhaps | 24 |
| 12:15 P.M.: Spot picked out | 27 |
| 12:30 a.m. or p.m., on a ship | 29 |
| 12:30 P.M.: Gourmet lunch | 25 |
| 12:30, on a ship | 16 |
| 12:45 P.M.: Thunder | 19 |
| 12:50 | 5 |
| 12:50 or 1:50 | 13 |
| 12:51 | 5 |
| 12:55, e.g. | 11 |
| 12½ cents | 12 |
| 12½¢ | 10 |
| 12th Amendment concern | 22 |
| 12th C. pope | 12 |
| 12th century opener | 19 |
| 12th century year | 17 |
| 12th grader | 11 |
| 12th grader, e.g. | 17 |
| 12th graders | 12 |
| 12th graders (abbr.) | 20 |
| 12th graders: Abbr. | 19 |
| 12th Hebrew month | 17 |
| 12th in a series of 26 | 22 |
| 12th Jewish month | 17 |
| 12th month of the Jewish calendar | 33 |
| 12th president | 14 |
| 12th-15th century European tongue | 33 |
| 12th-century Chinese dynasty | 28 |
| 12th-century Crusader state | 27 |
| 12th-century date | 17 |
| 12th-century mathematician | 26 |
| 12th-century poet | 17 |
| 12th-century starter | 20 |
| 12th-century year | 17 |
| 12th-grader | 11 |
| 13 | 2 |
| 13 cards, maybe | 15 |
| 13 for Al, e.g. | 15 |
| 13 motorcycles? | 15 |
| 13 of them were Innocent | 24 |
| 13 pontiffs | 11 |
| 13 popes | 8 |
| 13 popes, so far | 16 |
| 13 religious heads | 18 |
| 13 through 19 | 13 |
| 13 to 19 | 8 |
| 13 Vatican leaders | 18 |
| 13 witches | 10 |
| 13 witches, usually | 19 |
| 13 years before the Battle of Hastings | 38 |
| 13, for a bar mitzvah honoree | 29 |
| 13, for Al | 10 |
| 13, in old Rome | 15 |
| 13, to a baker | 14 |
| 13, to many | 11 |
| 13-day siege site | 17 |
| 13-digit ID in publishing | 25 |
| 13-digit identifier | 19 |
| 13-digit library info | 21 |
| 13-digit publishing ID | 22 |
| 13-figure figure | 16 |
| 13-layer sandwich | 17 |
| 13-piece suit | 13 |
| 13-piece suit? | 14 |
| 13-string Japanese zither | 25 |
| 13-stringed Japanese zither | 27 |
| 13-time Daytime Emmy nominee | 28 |
| 13-time Gold Glove-winning shortstop | 36 |
| 13-time Grey Cup winners | 24 |
| 13-year-old Apple | 17 |
| 13-year-old Jimmy with the #1 1952 hit "I Saw Mommy Kissing Santa Claus" | 82 |
| 13.5-inch-high trophy | 21 |
| 130% of DCCC | 12 |
| 130-lb.-plus ref. | 17 |
| 130-minute H.S. exam | 20 |
| 130-minute H.S. tests | 21 |
| 1300 hours | 10 |
| 1300 hours, to a civilian | 25 |
| 1300 hrs. | 9 |
| 1300 hrs., in the military | 26 |
| 1300 on a cornerstone | 21 |
| 1300, in military time | 22 |
| 1327-77 English king | 20 |
| 136% of LXXV | 12 |
| 1368–1644 dynasty | 24 |
| 13:00 hours | 11 |
| 13½-inch-high award | 22 |
| 13½-inch-tall honors | 23 |
| 13½-ton tourist attraction | 29 |
| 13th anniversary gift | 21 |