The 2019 Esiliiga B was the seventh season of the Esiliiga B, the third tier of Estonian football.
Of the 10 participating teams five remained following the 2018 Esiliiga B. The 2018 champions Legion, runners-up Tammeka U21 and third placed Järve were promoted to Esiliiga, while ninth and 10th placed Ajax and Flora U19 were relegated to II liiga. They are replaced by Viimsi, who returned after a one-year absence, Volta and Tabasalu, who made their debut in the Esiliiga B. The teams relegated from 2018 Esiliiga were Nõmme Kalju U21 and Keila.
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Martin Pärn was named Esiliiga B Player of the Year.