| Ruler of the Aesir | 18 |
| Ruler of the Cossacks | 21 |
| Ruler of the Cossacks, once | 27 |
| Ruler of the Fifth House of the Zodiac | 38 |
| Ruler of the past | 17 |
| Ruler of the sea | 16 |
| Ruler of Valencia | 17 |
| Ruler of Valhalla | 17 |
| Ruler of winds | 14 |
| Ruler of yore | 13 |
| Ruler of yore (Var.) | 20 |
| Ruler on a beach? | 17 |
| Ruler on a golf course? | 23 |
| Ruler on a roll? | 16 |
| Ruler on objections | 19 |
| Ruler on Olympus | 16 |
| Ruler opposed by the Bolsheviks | 31 |
| Ruler or industrialist | 22 |
| Ruler ousted in 1979 | 20 |
| Ruler ousted on Jan. 16, 1979 | 29 |
| Ruler over everything? | 22 |
| Ruler over Tolstoy | 18 |
| Ruler over Valhalla | 19 |
| Ruler part | 10 |
| Ruler pre-1917 | 14 |
| Ruler segment | 13 |
| Ruler span | 10 |
| Ruler succeeded by Yusuf Lule | 29 |
| Ruler surnamed the Silent: 16th century | 39 |
| Ruler toppled by the Bolsheviks | 31 |
| Ruler toppled in 1973 | 21 |
| Ruler toppled in 1979 | 21 |
| Ruler unit | 10 |
| Ruler units: Abbr. | 18 |
| Ruler until 1917 | 16 |
| Ruler until 1979 | 16 |
| Ruler von Bismarck | 18 |
| Ruler who died in exile | 23 |
| Ruler who fled: Jan. 16, 1979 | 29 |
| Ruler who founded St. Petersburg | 32 |
| Ruler who lived in the Winter Palace | 36 |
| Ruler who razed Aquileia | 24 |
| Ruler who rules by force | 24 |
| Ruler whose more common spelling is rare in crosswords | 54 |
| Ruler with a line? | 18 |
| Ruler with a palace in Tehran, once | 35 |
| Ruler with a palace near St. Mark's | 39 |
| Ruler with a table | 18 |
| Ruler with a throne | 19 |
| Ruler with absolute power | 25 |
| Ruler with an iron fist | 23 |
| Ruler with custard desserts? | 28 |
| Ruler with gilt feelings? | 25 |
| Ruler with statues at Abu Simbel | 32 |
| Ruler's domain | 18 |
| Ruler's domain? | 19 |
| Ruler's epithet | 19 |
| Ruler's inch, e.g. | 22 |
| Ruler's length | 18 |
| Ruler's place | 17 |
| Ruler's span | 16 |
| Ruler's territory | 21 |
| Ruler's title derived from "Caesar" | 49 |
| Ruler's title in Kuwait | 27 |
| Ruler, e.g. | 11 |
| Ruler, in Cádiz | 18 |
| Ruler, in France | 16 |
| Ruler, in Hawaii | 16 |
| Ruler, once | 11 |
| Ruler, pro tem | 14 |
| Ruler, so to speak | 18 |
| Ruler, somewhere in the world | 29 |
| Ruler: Abbr. | 12 |
| Rulers | 6 |
| Rulers after a revolution | 25 |
| Rulers after a revolution, sometimes | 36 |
| Rulers after an overthrow | 25 |
| Rulers after coups | 18 |
| Rulers before 1917 | 18 |
| Rulers before Lenin | 19 |
| Rulers contain them | 19 |
| Rulers have them | 16 |
| Rulers in a line | 16 |
| Rulers in Africa | 16 |
| Rulers like Juan Carlos | 23 |
| Rulers of a movie planet | 24 |
| Rulers of ancient Rome | 22 |
| Rulers of muzhiks | 17 |
| Rulers of old | 13 |
| Rulers of Qatar and Kuwait | 26 |
| Rulers of Spain | 15 |
| Rulers of the Nemanjic dynasty, e.g. | 36 |
| Rulers of the past | 18 |
| Rulers of the roost | 19 |
| Rulers of Tunis | 15 |
| Rulers of yore | 14 |
| Rulers or managers | 18 |
| Rulers that won't give an inch | 34 |
| Rulers until 1917 | 17 |
| Rulers who inherit their power | 30 |