| Iaaf: | LTU |
| Fedname: | Lietuvos lengvosios atletikos federacija |
| Year: | 2017 |
| Games: | World Championships in Athletics |
| Location: | Beijing |
| Competitors: | 15 |
| Gold: | 1 |
| Silver: | 0 |
| Bronze: | 0 |
| Rank: | =23 |
| Previous: | 2015 |
| Next: | 2019 |
Lithuania competed at the 2017 World Championships in Athletics in London, United Kingdom, from 4 to 13 August 2017.
The following competitor from Lithuania won medals at the Championships:
(q – qualified, NM – no mark, SB – season best)
| Athlete | Event | Final | ||||
|---|---|---|---|---|---|---|
| Result | Rank | |||||
| style=text-align:left | Remigijus Kančys | style=text-align:left rowspan=2 | Marathon | 2:16:34 | 24 | |
| style=text-align:left | Ignas Brasevičius | 2:22:20 | 51 | |||
| style=text-align:left | Marius Žiūkas | style=text-align:left | 20 kilometres walk | 1:22:38 | 29 | |
| style=text-align:left | Arturas Mastianica | style=text-align:left | 50 kilometres walk | – | ||
| Athlete | Event | Qualification | Final | ||||
|---|---|---|---|---|---|---|---|
| Distance | Position | Distance | Position | ||||
| style=text-align:left | Andrius Gudžius | style=text-align:left | Discus throw | 67.01 | 2 Q | 69.21 | |
| style=text-align:left | Edis Matusevičius | style=text-align:left | Javelin throw | – | |||
| Athlete | Event | Heat | Semifinal | Final | ||||
|---|---|---|---|---|---|---|---|---|
| Result | Rank | Result | Rank | Result | Rank | |||
| style=text-align:left | Eglė Balčiūnaitė | style=text-align:left | 800 metres | 2:01.21 | 12 Q | 2:00.48 | 13 | colspan=2 |
| style=text-align:left | Vaida Žūsinaitė | style=text-align:left | Marathon | 2:41:44 | 45 | |||
| style=text-align:left | Monika Vaiciukevičiūtė | style=text-align:left rowspan=3 | 20 kilometres walk | 1:38:08 | 45 | |||
| style=text-align:left | Živilė Vaiciukevičiūtė | 1:31:23 | 19 | |||||
| style=text-align:left | Brigita Virbalytė-Dimšienė | 1:30:45 | 16 | |||||
| Athlete | Event | Qualification | Final | ||||
|---|---|---|---|---|---|---|---|
| Distance | Position | Distance | Position | ||||
| style=text-align:left | Airinė Palšytė | style=text-align:left | High jump | 1.92 | =6 q | 1.92 | =7 |
| style=text-align:left | Dovilė Dzindzaletaitė | style=text-align:left | Triple jump | 13.97 | 15 | colspan=2 | |
| style=text-align:left | Zinaida Sendriūtė | style=text-align:left | Discus throw | 61.48 | 12 q | – | |
| style=text-align:left | Liveta Jasiūnaitė | style=text-align:left | Javelin throw | 55.80 | 26 | ||