| National bird of Guatemala | 26 |
| National bird of the U.S. | 25 |
| National birds | 14 |
| National Blueberry Popsicle Day mo. | 35 |
| National Board of Review's best film of 2013 | 48 |
| National Book Award winner for "them" | 47 |
| National Book Award-winning novelist named after Emerson | 56 |
| National Book Award-winning poet ___ Rich | 41 |
| National Book Mo. | 17 |
| National Boss Day mo. | 21 |
| National boundaries, sometimes | 30 |
| National Bowling Stadium city | 29 |
| National boys' gp. | 22 |
| National bread of Scotland | 26 |
| National broadcasting org. | 26 |
| National capital | 16 |
| National capital on a river of the same name | 44 |
| National capital since 1949 | 27 |
| National capital since 1991 | 27 |
| National Capital Territory of Asia | 34 |
| National capital whose name means "military post" | 59 |
| National car care chain | 23 |
| National card game of Germany | 29 |
| National card game of Mexico | 28 |
| National carrier | 16 |
| National cars | 13 |
| National Cartoonists Society award | 34 |
| National cemetery on the Potomac | 32 |
| National chain of "bakery-cafes" | 42 |
| National chain of everything-costs-the-same stores | 50 |
| National champions in 2002, 2004 and 2005 | 41 |
| National Cherry Blossom Festival focal point | 44 |
| National Cherry Blossom Festival time | 37 |
| National Chicken Mo. | 20 |
| National Chili Mo. | 18 |
| National Church Arson Task Force org. | 37 |
| National clothing chain based in New York's Greenwich Village | 65 |
| National Clown Week mo. | 23 |
| National code-breaking gp. (found in VACATION) | 46 |
| National code-cracking org. | 27 |
| National color of the Netherlands | 33 |
| National colors | 15 |
| National Coming Out Day mo. | 27 |
| National Coming ___ Day | 23 |
| National commemoration first celebrated in 1914 | 47 |
| National competitor | 19 |
| National concern | 16 |
| National consensus | 18 |
| National Council __ Raza: Hispanic civil rights group | 53 |
| National Courtesy Mo. | 21 |
| National crime-fighters, familiarly | 35 |
| National Dance Like a Chicken Day month | 39 |
| National Day of Commitment to Eliminate Racism org. | 51 |
| National day of gratitude, first observed by the Pilgrims in 1621 | 65 |
| National debt figure | 20 |
| National debt unit | 18 |
| National debt word | 18 |
| National Dental Hygiene Mo. | 27 |
| National Dessert Mo. | 20 |
| National discount store chain | 29 |
| National dish of Scotland | 25 |
| National Do Not Call Registry org. | 34 |
| National Do __ Call Registry | 28 |
| National Dog Day mo. | 20 |
| National econ. stat | 19 |
| National econ. yardstick | 24 |
| National Economic Counsel director | 34 |
| National emblem | 15 |
| National emblem of China | 24 |
| National emblem of Great Britain | 32 |
| National emblem of Wales | 24 |
| National Endowment for the ___ | 30 |
| National Enquirer fodder | 24 |
| National Enquirer rival | 23 |
| National Enquirer topic, occasionally | 37 |
| National exam initials | 22 |
| National Examiner couple | 24 |
| National Exposure Research Lab org. | 35 |
| National Federation of Independent Business v. Sebelius matter | 62 |
| National Fire Prevention Mo. | 28 |
| National flag | 13 |
| National flags | 14 |
| National flower | 15 |
| National flower of England | 26 |
| National flower of India | 24 |
| National flower of Mexico | 25 |
| National flower of Scotland | 27 |
| National Football League award | 30 |
| National Forensic League skill | 30 |
| National Forest in Arizona | 26 |
| National forest in California | 29 |
| National forest in Utah | 23 |
| National frozen dessert chain | 29 |
| National Gallery architect | 26 |
| National Gallery architect I.M. __ | 34 |
| National Gallery East Building designer | 39 |
| National Gallery exterior column type | 37 |
| National Gallery of Art architect | 33 |
| National Gallery of Art benefactor | 34 |
| National Gallery of British Art, now | 36 |