| One-named singer of "The Wanderer" | 44 |
| One-named singer of "Smooth Operator" | 47 |
| One-named singer of "Skyfall" | 39 |
| One-named singer of 'Someone Like You' | 46 |
| One-named singer for the Velvet Underground | 43 |
| One-named singer for the 1960s Velvet Underground | 49 |
| One-named singer born with seven names | 38 |
| One-named singer and Oscar winner | 33 |
| One-named rock star of the 1990s-2000s | 38 |
| One-named rapper with a self-titled sitcom | 42 |
| One-named rapper with a hyphen in his name | 42 |
| One-named rapper arrested April 26, 2007 | 40 |
| One-named R&B singer makes her choice? | 42 |
| One-named pop singer/jet-setting idea man | 41 |
| One-named New Age singer from Ireland | 37 |
| One-named New Age instrumentalist | 33 |
| One-named musician descended from Melville | 42 |
| One-named musician born in Kalamata | 35 |
| One-named model who wrote "True Beauty" | 49 |
| One-named model on many romance novel covers | 44 |
| One-named Harper's Bazaar illustrator | 41 |
| One-named film star of the 1930s-'60s | 41 |
| One-named fashion designer of the disco era | 43 |
| One-named Emmy, Grammy, and Oscar winner | 40 |
| One-named comedian with a talk show | 35 |
| One-named buxom blonde of '50s TV | 37 |
| One-named Brazilian NBA standout | 32 |
| One-named author of "A Dog of Flanders" | 49 |
| One-named actress in "No Way Out" | 43 |
| One-named 50's-60's teen idol | 37 |
| One-named 1970s-'80s supermodel | 35 |
| One-named "Watermark" singer | 38 |
| One-named "Orinoco Flow" singer | 41 |
| One-named "No Ordinary Love" singer | 45 |
| One-named "More to Love" hostess | 42 |
| One-named "Monument" singer | 37 |
| One-named "May It Be" singer | 38 |
| One-named "Lonely" singer | 35 |
| One-named "Kiss from a Rose" singer | 45 |
| One-named 'I Could Fall in Love' singer | 47 |
| One-man show about writer Capote | 32 |
| One-man show about President Truman | 35 |
| One-man band's rendition, e.g. | 34 |
| One-legged maneuver for those chocolate balls? | 46 |
| One-L person, in an Ogden Nash poem | 35 |
| One-hundredth of a mil, to a hood | 33 |
| One-hit wonder with "Informer" | 40 |
| One-hit wonder born Gabriele Kerner | 35 |
| One-half of our species, roughly | 32 |
| One-half base x height, for a triangle | 38 |
| One-fourth of this clue's number | 36 |
| One-fourth of a Henry Higgins outburst | 38 |
| One-fourth of a '60s pop group | 34 |
| One-fifth of Papa Dionne's surprise | 39 |
| One-eyed female on "Futurama" | 39 |
| One-eyed female on 'Futurama' | 37 |
| One-eyed "Futurama" character | 39 |
| One-day "Jeopardy!" contestant, e.g. | 46 |
| One-by-one formation, as in walking | 35 |
| One-armed bandit's "mouth" | 40 |
| One-act opera by Camille Saint-Saens | 36 |
| One, two and three ... or this puzzle's title | 49 |
| One's wife (with ''the'') | 45 |
| One's true inner self, according to Jung | 44 |
| One's special person in life | 32 |
| One's sibling's daughters | 33 |
| One's share of a medical bill, maybe | 40 |
| One's seen on "60 Minutes" | 40 |
| One's savings, metaphorically | 33 |
| One's regular order (with "the") | 46 |
| One's regular drink (with "the") | 46 |
| One's physical or emotional burdens | 39 |
| One's pawns on a chessboard, e.g. | 37 |
| One's name on a bracelet, for short | 39 |
| One's most valuable possession, perhaps | 43 |
| One's luck may be tested by it | 34 |
| One's initial savings account? | 34 |
| One's initial response to this clue, perhaps | 48 |
| One's in D.C., one's in Nevada | 38 |
| One's featured on "60 Minutes" | 44 |
| One's brother's daughter | 32 |
| One's Big, another's Little | 35 |
| One's best effort, so to speak | 34 |
| One's at either end of "America" | 46 |
| One's "who's who" | 35 |
| One you won't find in a foxhole? | 36 |
| One you shouldn't look in the mouth | 39 |
| One you pay to help you get a grip? | 35 |
| One you might not want to meet just yet? | 40 |
| One you don't want to have a crush on you | 45 |
| One year into Claudius's reign | 34 |
| One working with irons and woods | 32 |
| One working with feet professionally | 36 |
| One working with checks and balances, for short | 47 |
| One working with a chair and a whip | 35 |
| One working solely for compensation | 35 |
| One working overtime in Apr., maybe | 35 |
| One working on the margin, briefly? | 35 |
| One working on the cutting edge? | 32 |
| One working on antiques, perhaps | 32 |