| London's Marble and Admiralty | 33 |
| London's international airport | 34 |
| London's Covent Garden and others: Abbr. | 44 |
| London's "White ___" | 34 |
| London's "The ___ Heel" | 37 |
| London's "The Cruise of the ___" | 46 |
| London's "Old" theater | 36 |
| London's "Martin ___" | 35 |
| London's "Before ___" | 35 |
| London ___ (Thames tourist attraction) | 38 |
| London ___ (British Ferris wheel) | 33 |
| London world-traveler's need | 32 |
| London weekly, with "The" | 35 |
| London was one; so was O'Neill | 34 |
| London Underground, with "the" | 40 |
| London Underground nickname, with "the" | 49 |
| London transport, with "the" | 38 |
| London subway, with "the" | 35 |
| London streets, in a manner of speaking | 39 |
| London street known for tailoring | 33 |
| London street known for high-end haberdasheries | 47 |
| London Philharmonic founder Sir Thomas ___ | 42 |
| London Philharmonic co-founder Sir Thomas __ | 44 |
| London Parliament series painter | 32 |
| London park with Speaker's Corner | 37 |
| London paper, with "The" | 34 |
| London paper (with "The") | 35 |
| London paper (with "The") | 36 |
| London novel, with "The" | 34 |
| London novel about gentlemen coming to blows? | 45 |
| London museum's hidden camera locations? | 44 |
| London institution, with "The" | 40 |
| London hog's "oink"? | 34 |
| London had the first one in 1851 | 32 |
| London financial district, familiarly | 37 |
| London classic, with "The" | 36 |
| London cathedral designed by Wren | 33 |
| London cathedral designed by Christopher Wren | 45 |
| London Bridge's home now: Abbr. | 35 |
| London borough with Wimbledon Stadium | 37 |
| London borough with Wembley Stadium | 35 |
| London borough containing Wembley Stadium | 41 |
| London auctioneer's workplace | 33 |
| London art museum, as it was formerly known | 43 |
| London area in need of a hair detangler? | 40 |
| London and Windsor locale (Abbr.) | 33 |
| London "rest stations" | 32 |
| Lon's "Of Mice and Men" role | 42 |
| Lon ___, former Cambodian premier | 33 |
| Lon ___ (palindromic coup leader) | 33 |
| Lon ___ (palindromic Cambodian leader) | 38 |
| Lon ___ (former Cambodian leader) | 33 |
| Lon ___ (Cambodian political leader) | 36 |
| Lombardy province or its capital | 32 |
| Lombard of "My Man Godfrey" | 37 |
| Lombard in "The L Word" | 33 |
| Lollobrigida of "Hotel Paradiso" | 42 |
| Lollipops and peppermints and such | 34 |
| Lollipop was a "good"one | 34 |
| Lollapuzzoola's setting: Abbr. | 34 |
| Lollapalooza and the like, briefly | 34 |
| Lolita of the Miami Seaquarium, e.g. | 36 |
| LOLcats and literal videos, e.g. | 32 |
| LOLcat-eating-a-cheezburger noise | 33 |
| Lola, in "Damn Yankees" | 33 |
| Lola, e.g., in "Damn Yankees" | 39 |
| Lola's missing dog in a 1950 play | 37 |
| Lola portrayer in "Damn Yankees" | 42 |
| Lola in "Damn Yankees," e.g. | 38 |
| Lola Delaney's lost dog in a 1950 play | 42 |
| Lois on "Lois & Clark" | 36 |
| Lois Lane's employer (with "The") | 47 |
| Lois Lane player Durance and others | 35 |
| Lois and Clark actress Hatcher | 33 |
| Lohengrin, the Knight of the ___ | 32 |
| Lohengrin's request for an update? | 38 |
| Lohengrin's bride and others | 32 |
| Lohengrin's "Alas!" | 33 |
| Lohan co-star in "Georgia Rule" | 41 |
| Logs and twigs, in the eyes of campers | 38 |
| Logo on many a Richard Petty race car | 37 |
| Logician's triumphant sign-off | 34 |
| Logician's "E," perhaps | 37 |
| Logician's "and, therefore" | 41 |
| Logician who espoused simplicity | 32 |
| Logician John for whom a diagram is named | 41 |
| Logical place to serve the items on our menu | 44 |
| Logical connection hidden in eight puzzle answers | 49 |
| Logical conjunctions, in mathematics | 36 |
| Logic ___ (electronic component) | 32 |
| Loggers' competition that requires balance | 46 |
| Logarithmic units of sound intensity (Abbr.) | 44 |
| Log cabin source of illumination | 32 |
| Lofgren of Springsteen's E Street Band | 42 |
| Loewe's Broadway collaborator | 33 |
| Loewe's "My Fair Lady" collaborator | 49 |
| Loesser-Newman song of 1937, with "The" | 49 |
| Loesser's transportation in 1948? | 37 |
| Loesser's "The Most Happy ___" | 44 |
| Loesser's "The Most Happy ---" | 44 |