| Line terminator | Line tester | Line the Label |
| Line THP1 (Guangzhou Metro) | Line three pipeline | Line thrower |
| Line throwing gun | Line TNH1 (Foshan Metro) | Line to Beersheba |
| Line to gain | Line to ground capacitor | Line to line fault |
| Line to the British throne | Line to Tomorrow | Line Toft Hansen |
| Line Tongmi (Beijing Subway) | Line Town | Line transect |
| Line transect method | Line transect sampling | Line transformer |
| Line Trap | Line trap | Line Travel |
| Line tree | Line Tree | Line trim |
| Line trimmer | Line trimmers | Line troops |
| Line TT (Nagoya Municipal Subway) | Line TV | LINE TV |
| Line TV Awards | LINE TV Awards | Line U |
| Line U (Seoul) | Line U1 (Berlin) | Line U1, Vienna U-Bahn |
| Line U2 (Berlin) | Line U2 (Vienna U-Bahn) | Line U2, Vienna U-Bahn |
| Line U3 (Berlin) | Line U3, Vienna U-Bahn | Line U4 (Berlin) |
| Line U4, Vienna U-Bahn | Line U5 (Berlin) | Line U55 (Berlin) |
| Line U6 (Berlin) | Line U6, Vienna U-Bahn | Line U7 (Berlin) |
| Line U8 (Berlin) | Line U9 (Berlin) | Line umpire (tennis) |
| Line unit | Line Uno | Line up |
| Line Up | Line Up (Aerosmith song) | Line Up (City Girls song) |
| Line Up (Elastica song) | Line Up (song) | Line Up (TV program) |
| Line Up (TV series) | Line Up (TV Show) | Line up for yesterday |
| Line Up the Stars | Line V | Line V (New York City Subway) |
| Line V (New York) | Line V (Victoria) | Line V rabbit |
| Line Van Wambeke | Line Vedel | Line Vedel Hansen |
| Line Vennesland | Line Verndal | Line Viken |
| Line voltage | Line voltage (disambiguation) | Line voltage (three-phase) |
| Line W | Line W (BMT) | Line W (Denver RTD) |
| Line W (Denver) | Line W (New York City Subway) | Line W (New York) |
| Line W (RTD) | Line Waker: Bull Fight | Line Walker |
| Line Walker (film) | Line Walker 2: Invisible Spy | Line Walker: Bull Fight |
| Line Walker: The Prelude | Line Wall Curtain | Line wall curtain |
| Line Wall Rd | Line Wall Road | Line War |
| LINE Webtoon | Line Webtoon | Line Webtoons |
| Line weight | LINE whoscall | Line Widt Fruensgaard |
| Line width | Line with two origins | Line Without a Hook |
| Line work | Line wrap | Line wrap and word wrap |
| Line wrench | Line Writing | Line X |
| Line X (New York City Subway) | Line X (New York) | Line Y |
| Line Y (Osaka Metro) | Line Y (Tokyo Metro) | Line yahoo |
| Line Yahoo | LINE Yahoo! | Line YL |
| Line YL (Washington Metro) | Line Z | Line Z (BMT) |
| Line Z (New York City Subway) | Line Z (New York) | Line Z (Tokyo Metro) |
| Line Zhengxu (Zhengzhou Metro) | Line, Bill | Line, Henry |
| Line, Peter | Line, Saint Anne | LINE-1 |
| Line-1 type transposase domain containing 1 pseudogene 1 | Line-ahead | Line-and-staff organization |
| Line-and-washing drawing | Line-astern formation | Line-blue |
| Line-blues | Line-break | Line-breaking algorithm |
| Line-breaking non-space | Line-By-Line Radiative Transfer Model | Line-bypass capacitor |
| Line-card | Line-check | Line-cheeked spinetail |
| Line-cheeked Spinetail | Line-circle intersection | Line-clipping |
| Line-crosser | Line-crossing ceremony | Line-crowned woodcreeper |
| Line-crowned Woodcreeper | Line-cylinder intersection | Line-draw |
| Line-drawing algorithim | Line-drawing algorithm | Line-drawing character |
| Line-emission spectrum | Line-engraved | Line-engraver |
| Line-engraving | Line-feed | Line-feeds |
| Line-fronted canastero | Line-fronted Canastero | Line-height |
| Line-in | Line-in recording | Line-in Recording |
| Line-intercept sampling | Line-intersect sampling | Line-item veto |
| Line-item veto in the United States | Line-Item Vetoes | Line-item vetoes |
| Line-item vetoes in the United States | Line-item vetos in the United States | Line-lead |
| Line-leader | Line-leaders | Line-leading |
| Line-leads | Line-leaf conebush | Line-led |
| Line-level | Line-lifting theory | Line-lifting Theory |
| Line-line intersection | Line-lock | Line-loin merger |
| Line-Mode Browser | Line-mode browser | Line-of-battle |
| Line-of-battle ship | Line-of-sight | Line-of-sight (disambiguation) |
| Line-of-sight (missile) | Line-of-sight communication | Line-of-sight fire |
| Line-of-sight optical networking | Line-of-sight propagation | Line-of-sight range |
| Line-of-sight velocity | Line-of-site | Line-oriented flight training |
| Line-oriented language | Line-oriented printer | Line-oriented programming language |
| Line-out | Line-out (rugby sports) | Line-out (rugby union) |
| Line-out (signal) | Line-out (sports) | Line-out code |
| Line-plane intersection | Line-rate | Line-replaceable unit |
| Line-scan camera | Line-search | Line-segment |
| Line-segment formula | Line-space | Line-spaced |
| Line-spacer | Line-spacers | Line-spaces |
| Line-spacing | Line-sphere intersection | Line-spot harptail blenny |
| Line-spotted barb | Line-Spotted Barb | Line-spotted Barb |
| Line-spotted forest skink | Line-spotted Ufipa Barb | Line-tactic |
| Line-Tailed Pygmy Monitor | Line-throwing gun | Line-to-ground capacitor |
| Line-to-ground fault | Line-to-line fault | Line-transect sampling |
| Line-trimmer | Line-trimmers | Line-up |
| Line-Up | Line-Up (album) | Line-up (Battlefield Band album) |
| Line-Up (Graham Bonnet album) | Line-up (haircut) | Line-Up for Yesterday |
| Line-up for Yesterday | Line-up for yesterday | Line-Up For Yesterday |
| Line-ups of bands featuring members of The Beatles | Line-V rabbit | Line-wrapping |
| Line-X 200 | Line-X 225 | LINE-X 225 |
| Line.me | LINE1 | Line2 |
| Line21 | Line23 | Line6 |
| Linea | Linea (disambiguation) | Linea (Stargate) |
| Linea 4A Metro Santiago | Linea 6 | Linea 77 |
| Linea A (Buenos Aires) | Linea A (metropolitana di Roma) | Linea Aérea Carguera de Colombia |
| Linea Aerea Aerocon | Linea Aerea Amaszonas | Linea Aerea Amaszonas S.A. |
| Linea Aerea Carguera de Colombia | Linea Aerea Cuencana | Linea Aerea de Entre Rios |
| Linea Aerea de Servicio Ejecutivo Regional | Linea Aerea de Servicio Ejecutivo Regional, CA | Linea Aerea IAACA |
| Linea Aerea Merida Internacional de Aviacion | Linea Aerea Merida International de Aviation | Linea Aerea Nacional de Chile |
| Linea Aeropostal Flight 253 | Linea Aeropostal Santiago-Arica | Linea Aeropostal Venezolana |
| Linea Aeropostal Venezolana Flight 253 | Linea Aeropostal Venezolana Flight 253 (1956) | Linea Aeropostal Venezolana Flight 253 (disambiguation) |
| Linea Aeropostal Venezolana Flight 253 (June 1956) | Linea Aeropostal Venezolana Flight 253 (November 1956) | Linea alba |
