| 2017 NA LCS season | |
|---|---|
| League | NA LCS |
| Sport | League of Legends |
| Duration |
|
| Number of teams | 10 |
| TV partner(s) | Twitch, YouTube |
| Spring | |
| Champions | Team SoloMid |
| Runners-up | Cloud9 |
| Top seed | Team SoloMid |
| Season MVP | Noh "Arrow" Dong-hyeon |
| Summer | |
| Champions | Team SoloMid |
| Runners-up | Immortals |
| Top seed | Team SoloMid |
| Season MVP | Søren "Bjergsen" Bjerg |
| Regional finals | |
| Winner | Cloud9 |
The 2017 NA LCS season was the sixth season of the North American League of Legends Championship Series (NA LCS), a professional esports league for the video game League of Legends. The season was divided into two splits: Spring and Summer. The Spring Split began on January 20 and culminated with the playoff finals on April 23, 2017. The Summer Split began on June 2 and culminated with the Spring Split finals on September 3, 2017.
Team SoloMid won the spring split playoffs, qualifying them for the 2017 Mid-Season Invitational. Team SoloMid also won the summer split playoffs, directly qualifying them for the 2017 World Championship. Immortals and Cloud9 also qualified for the 2017 World Championship via Championship Points and winning the regional qualifier, respectively.