| One-named rap star/actress | 26 |
| One-named R&B singer | 24 |
| One-named R&B artist | 24 |
| One-named Queen of Tejano | 25 |
| One-named pop superstar | 23 |
| One-named plus-size model | 25 |
| One-named Oscar winner | 22 |
| One-named Nigerian songstress | 29 |
| One-named Nigerian singer | 25 |
| One-named New Age vocalist | 26 |
| One-named New Age singer | 24 |
| One-named New Age pianist | 25 |
| One-named New Age musician | 26 |
| One-named New Age keyboardist | 29 |
| One-named neo-soul singer | 25 |
| One-named model/actress | 23 |
| One-named model-turned-actor | 28 |
| One-named Milanese model | 24 |
| One-named jazzy singer | 22 |
| One-named Italian supermodel | 28 |
| One-named Italian model | 23 |
| One-named Irish singer | 22 |
| One-named Irish Grammy winner | 29 |
| One-named Irish folk singer | 27 |
| One-named Greek singer | 22 |
| One-named Greek musician | 24 |
| One-named Grammy winner | 23 |
| One-named Gaelic singer | 23 |
| One-named Gaelic folk singer | 28 |
| One-named former supermodel | 27 |
| One-named folk music great | 26 |
| One-named flamenco guitarist | 28 |
| One-named fictional detective | 29 |
| One-named fashion illustrator | 29 |
| One-named fashion designer | 26 |
| One-named ECW wrestler | 22 |
| One-named Deco designer | 23 |
| One-named costume designer | 26 |
| One-named British pop singer | 28 |
| One-named Barbadian singer | 26 |
| One-named art deco master | 25 |
| One-named art deco designer | 27 |
| One-named actor from Tel Aviv | 29 |
| One-named 90's singer | 25 |
| One-named 2009 Oscar winner | 27 |
| One-named 1970's singer | 27 |
| One-name soccer legend | 22 |
| One-name singer of the 1960s | 28 |
| One-name R&B artist | 23 |
| One-millionth of a meter | 24 |
| One-million connectors | 22 |
| One-million connection | 22 |
| One-masters of Mideast | 22 |
| One-man show set in 1975 | 24 |
| One-man show about Capote | 25 |
| One-man Broadway hit of 1989 | 28 |
| One-man band performances | 25 |
| One-liner man Youngman | 22 |
| One-liner legend Youngman | 25 |
| One-liner from the pulpit? | 26 |
| One-legged protagonist | 22 |
| One-legged literary character | 29 |
| One-legged captain of fiction | 29 |
| One-legged camera stand | 23 |
| One-legged ballet pose | 22 |
| One-lane highway annoyance? | 27 |
| One-inch pencils, for example | 29 |
| One-inch pencil, for example | 28 |
| One-in-a-million thing | 22 |
| One-hundredth part: Abbr. | 25 |
| One-hundredth of a balboa | 25 |
| One-hundred-meter sprint | 24 |
| One-hoss shay's owner | 25 |
| One-hoss shay's creator | 27 |
| One-horse-too-many town | 23 |
| One-horse carriage of India | 27 |
| One-horned beast, for short | 27 |
| One-hit wonder of 1984 | 22 |
| One-half of a fluid oz. | 23 |
| One-half and three-fourths | 26 |
| One-fourth of a shekel | 22 |
| One-fourth of a circle | 22 |
| One-fortieth of a maund | 23 |
| One-for-one transaction | 23 |
| One-footer, say, in golf | 24 |
| One-fifth of trentacinque | 25 |
| One-fifth of the Union | 22 |
| One-fifth of humankind | 22 |
| One-fifth of cinquante | 22 |
| One-fifteenth of MMMXV | 22 |
| One-eighty, informally | 22 |
| One-eighty on the road | 22 |
| One-eighties, in slang | 22 |
| One-eighth pt. of a V-8 | 23 |
| One-eighth of an ounce | 22 |
| One-eighth of a magnum | 22 |
| One-eighth of a fluid ounce | 27 |
| One-eighth of a circle | 22 |
| One-down, four-up card game | 27 |
| One-down four-up card game | 26 |