The Lithuanian Football Federation initially granted applications for 2019 LFF I Lyga licenses: [1] FK Banga Gargždai, FK Nevėžis, FC Pakruojis, FC Džiugas, Žalgiris B, Stumbras B, Riteriai B (Trakai B).
The final decision on the number of teams in 2019 LFF I Lyga was made by the Lithuanian Football Federation executive committee meeting on 15 March 2019.
FK Utenis Utena shareholders voted to withdraw from participation in 2019 LFF I Lyga, and the club will participate in 2019 LFF II Lyga.
After FC Stumbras ran into financial difficulties in June the Lithuania Football Federation made a decision to withdraw their license from A lyga, and Stumbras B from I lyga.
FC Džiugas Telšiai earned promotion to A lyga, subject to meeting licensing criteria.