The 2017 Esiliiga B was the 5th season of the Esiliiga B, third-highest Estonian league for association football clubs, since its establishment in 2013.
The 2016 champions Kuressaare and runners-up Elva were promoted to Esiliiga, while 9th place Flora U19 and 10th place Tulevik II were relegated.
[1] For this season those five teams will be replaced by the Esiliiga relegated Vändra Vaprus, Kohtla-Järve JK Järve and Nõmme Kalju U21 and II Liiga promoted Keila and Paide Linnameeskond U21.
The 3rd placed Welco managed to earn a promotion, winning the promotion play-off, while 8th placed Viimsi remained in the league by winning the relegation play-off.
Karl Anton Sõerde was named Esiliiga B Player of the Year.