| 100% | NOMDE | 5 | ___ plume (author's pen-name): 2 wds. |
| 80% | LEMONYSNICKET | 13 | Pen name of the author of "A Series of Unfortunate Events": 2 wds. |
| 77% | ISAKDINESEN | 11 | Pen name of the author of 19-Across: 2 wds. |
| 71% | RICHARDBACHMAN | 14 | Stephen King's pen name under which he wrote "The Running Man": 2 wds. |
| 71% | LEWISCARROLL | 12 | Pen name of Charles Dodgson, who wrote "Alice's Adventures in Wonderland": 2 wds. |
| 69% | NOM | 3 | ___ de plume (author's pen name) |
| 66% | MARKTWAIN | 9 | Pen name of the American writer born Samuel Clemens: 2 wds. |
| 66% | GEORGEORWELL | 12 | Pen name of Eric Blair, who wrote "Animal Farm": 2 wds. |
| 63% | LEMONYSNICKET | 13 | Pen name of Daniel Handler, who wrote "A Series of Unfortunate Events": 2 wds. |
| 62% | NOMDE | 5 | ___ plume (pen name for a writer): 2 wds. |
| 61% | ANNLANDERS | 10 | Pen name used for 56 years by advice columnists Ruth Crowley and Eppie Lederer: 2 wds. |
| 60% | SAKI | 4 | When William Came author's pen name |
| 59% | NOM | 3 | ___ de plume (an author's pen-name) |
| 59% | MARKTWAIN | 9 | Pen name of Samuel Clemens who is famous for his book "The Adventures of Tom Sawyer": 2 wds. |
| 58% | ISAK | 4 | "Out of Africa" author's pen name, ___ Dinesen |
| 58% | ROBERTGALBRAITH | 15 | Pen name of the female author of "The Cuckoo's Calling" |
| 57% | STEPHENKING | 11 | Thriller writer behind the pen name Richard Bachman (2 wds.) |
| 57% | RUTHRENDELL | 11 | Mystery writer behind the pen name Barbara Vine (2 wds.) |
| 56% | NOM | 3 | ___ de plume (writer's pen name) |
| 56% | NORAROBERTS | 11 | Romance writer behind the pen name J.D. Robb (2 wds.) |
| 56% | NANCYDREW | 9 | Fictional young female detective who first appeared in a 1930 book credited to the pen name Carolyn Keene: 2 wds. |
| 55% | HARDYBOYS | 9 | Fictional young male detectives who first appeared in a 1927 book credited to the pen name Franklin W Dixon: 2 wds. |
| 54% | THEROCK | 7 | Dwayne Johnson's wrestling name: 2 wds. |
| 54% | LEECHILD | 8 | Pen name of the British novelist who writes the Jack Reacher novel series (2 wds.) |
| 54% | STEPHENKING | 11 | Thriller writer who also wrote under the pen name Richard Bachman (2 wds.) |
| 54% | RUTHRENDELL | 11 | Mystery writer who also wrote under the pen name Barbara Vine (2 wds.) |
| 54% | STENDHAL | 8 | "Le Rouge et le Noir" French author's pen name |
| 53% | GEORGEELIOT | 11 | Pen name of 18-Across, 30-Across, and "Adam Bede" novelist Mary Ann Evans (2 wds.) |
| 53% | NORAROBERTS | 11 | Romance writer who also wrote under the pen name J.D. Robb (2 wds.) |
| 53% | PENNAME | 7 | Author's pseudonym (2 wds.) |