| One of music's three B's | 32 |
| One of multiple jobs, metaphorically | 36 |
| One of multiple chemical activators | 35 |
| One of Mrs. Browning's poems | 32 |
| One of Mozart's? | 20 |
| One of Mozart's 41 (abbr.) | 30 |
| One of Mowgli's mentors in "The Jungle Book" | 58 |
| One of Mother Dionne's five | 31 |
| One of Moses's spies | 24 |
| One of Moses' spies in Canaan | 33 |
| One of Moses' spies | 23 |
| One of Moses' seventy elders | 32 |
| One of Morrison's group? | 28 |
| One of more than four million Turks | 35 |
| One of more than a dozen popes | 30 |
| One of more than a billion believers | 36 |
| One of more than 76 million in the U.S. | 39 |
| One of more than 5,000 in the United States, per the Census Bureau | 66 |
| One of more than 245,000 in a Christmas tree at a California theme park | 71 |
| One of Montezuma's people | 29 |
| One of Montezuma's men | 26 |
| One of Monopoly's light blue avenues | 40 |
| One of Monaco's 368 | 23 |
| One of Mohammed's four perfect women | 40 |
| One of Mo.'s neighbors | 26 |
| One of Mnemosyne's daughters | 32 |
| One of Mitt's rivals in the 2012 primaries | 46 |
| One of Minn.'s twins | 24 |
| One of Minn.'s Twin Cities | 30 |
| One of Miguel Cabrera's 109 in 2012 | 39 |
| One of Mickey's wives | 25 |
| One of Mickey's exes | 24 |
| One of Mickey's arms on a Mickey Mouse watch | 48 |
| One of Michigan's peninsulas | 32 |
| One of Michelangelo's skills | 32 |
| One of Michael's sisters | 28 |
| One of Michael Jackson's brothers | 37 |
| One of Miami's many | 23 |
| One of Mia's exes | 21 |
| One of Mia's daughters | 26 |
| One of MGM's M's | 24 |
| One of Mexico's 31 | 22 |
| One of Meryl's Oscar-winning roles | 38 |
| One of Merv's shows, informally | 35 |
| One of Mercer's collaborators | 33 |
| One of Menotti's names | 26 |
| One of men's golf's majors | 34 |
| One of McCarthy's dummies | 29 |
| One of Massachusetts' state symbols | 39 |
| One of Maryland's state symbols | 35 |
| One of Mary's pals | 22 |
| One of Marty Scorsese's favorite actors | 43 |
| One of Martin Sheen's sons | 30 |
| One of Mars's moons | 23 |
| One of Mars' twin sons | 26 |
| One of Mars' moons | 22 |
| One of Marmee's girls | 25 |
| One of Marlon's brothers | 28 |
| One of Marlo's henchmen on "The Wire" | 51 |
| One of Mark Twain's occupations | 35 |
| One of Maris's overtakers | 29 |
| One of Mario's friends | 26 |
| One of Marge's sisters | 26 |
| One of Marge Simpson's sisters | 34 |
| One of Margaret Mead's topics | 33 |
| One of many written by David | 28 |
| One of many who are one | 23 |
| One of many W. Va. workers | 26 |
| One of many that honor Mom | 26 |
| One of many surrounding Jupiter | 31 |
| One of many sisters | 19 |
| One of many seen on a stock car | 31 |
| One of many seen in stopped traffic | 35 |
| One of many openings in Vegas | 29 |
| One of many on England's southern coastline | 47 |
| One of many on a monitor | 24 |
| One of many lost by Charlie Brown | 33 |
| One of many jobs, in metaphor | 29 |
| One of many in the Aegean Sea: Abbr. | 36 |
| One of many in Quebec | 21 |
| One of many in Las Vegas | 24 |
| One of many in an 1889 van Gogh painting | 40 |
| One of many in a supermarket | 28 |
| One of many in a skyscraper | 27 |
| One of many in a mall | 21 |
| One of many in a blind | 22 |
| One of many in a bed | 20 |
| One of many in "The Grapes of Wrath" | 46 |
| One of many hats worn by Benjamin Franklin | 42 |
| One of many for Mickey | 22 |
| One of many for "Mad Men" | 35 |
| One of many explored by Mulder and Scully | 41 |
| One of many Eastern Europeans | 29 |
| One of many by Beethoven | 24 |
| One of many behind bars | 23 |
| One of many at the U.N. headquarters | 36 |
| One of many at JFK | 18 |
| One of many at a Syracuse University football game? | 51 |
| One of many American houses | 27 |
| One of Manhattan's rivers | 29 |