| One of the voices in "Up" | 35 |
| One of the Volcano Islands, for short | 37 |
| One of the Von Trapp girls | 26 |
| One of the W's in W.W. I | 28 |
| One of the wahoos | 17 |
| One of the Wailers of Bob Marley and the Wailers | 48 |
| One of the Wallendas | 20 |
| One of the Walton sisters | 25 |
| One of the Waltons | 18 |
| One of the war gods | 19 |
| One of the Warner Bros. brothers | 32 |
| One of the Warner Brothers | 26 |
| One of the Warners? | 19 |
| One of the wars | 15 |
| One of the Washingtons | 22 |
| One of the water signs | 22 |
| One of the Waters | 17 |
| One of the Waugh family | 23 |
| One of the Waughs | 17 |
| One of the Waves | 16 |
| One of the Wayans brothers | 26 |
| One of the wealthy | 18 |
| One of the weasels | 18 |
| One of the Weasleys' owls in "Harry Potter" | 57 |
| One of the Websters | 19 |
| One of the West Indies | 22 |
| One of the wetlands | 19 |
| One of the White Sox | 20 |
| One of the Whites | 17 |
| One of the Whitneys | 19 |
| One of the Wilcoxes in "Howards End" | 46 |
| One of the Williams sisters | 27 |
| One of the Williams sisters of tennis | 37 |
| One of the Wilsons | 18 |
| One of the winds | 16 |
| One of the Windsors | 19 |
| One of the Windward Islands | 27 |
| One of the winemaking Gallos | 28 |
| One of the Wise Men | 19 |
| One of the Wisteria Lane crowd | 30 |
| One of the Woods | 16 |
| One of the woodwinds | 20 |
| One of the World Heritage Sites | 31 |
| One of the world's last remaining People's Democratic Republics | 71 |
| One of the world's oldest capitals | 38 |
| One of the world's religions | 32 |
| One of the worlds | 17 |
| One of the worlds in "The War of the Worlds" | 54 |
| One of the worst big-name TV casting choices of 2008 (for "Kath & Kim"), according to the website Television Without Pity | 135 |
| One of the Wright brothers | 26 |
| One of the Wright brothers, for short | 37 |
| One of the writers of "Boom Boom Pow" | 47 |
| One of the Ws | 13 |
| One of the Ws in "www" | 32 |
| One of the Wu-Tang Clan members, for short | 42 |
| One of the Wu-Tang Clan rappers, for short | 42 |
| One of the WWII Allies | 22 |
| One of the Wyeths | 17 |
| One of the X's in X-X-X | 27 |
| One of the X's in XXX | 25 |
| One of the X-Men | 16 |
| One of the Yalies | 17 |
| One of the Yalta threesome | 26 |
| One of the Yankees' M&M sluggers | 40 |
| One of the yellow Monopoly properties | 37 |
| One of the Yokums | 17 |
| One of the Yorks | 16 |
| One of the Youngers | 19 |
| One of the Yugoslavs | 20 |
| One of the Zappas | 17 |
| One of the Zodiac's 12 | 26 |
| One of the zones | 16 |
| One of the zones: Abbr. | 23 |
| One of them brought myrrh | 25 |
| One of them does? | 17 |
| One of them won in 1804 | 23 |
| One of them won in Roman myth | 29 |
| One of them won in the bible | 28 |
| One of them, maybe | 18 |
| One of them? | 12 |
| One of these can be found reading counterclockwise somewhere in each concentric ring | 84 |
| One of these days | 17 |
| One of these is a lot | 21 |
| One of thirteen | 15 |
| One of this puzzle's hidden answers, in Latin | 49 |
| One of Thomas Jefferson's pursuits | 38 |
| One of Thor Heyerdahl's boats | 33 |
| One of those | 12 |
| One of those brief days | 23 |
| One of those girls | 18 |
| One of those MacArthur called "my best soldiers" | 58 |
| One of those things | 19 |
| One of those things? | 20 |
| One of those? | 13 |
| One of thousands of small planets | 33 |
| One of thrash metal's Big Four | 34 |
| One of three | 12 |
| One of three 1994 Peace Nobelists | 33 |
| One of three at the start of "the Scottish play" | 58 |
| One of three B's | 20 |