The 2023 LFF I Lyga was the 34th season of I Lyga, the second tier football league of Lithuania.
The champions (TransINVEST) were promoted to A Lyga, and also qualified for the 2024âÂÂ25 UEFA Conference League second qualifying round by winning the 2023 Lithuanian Football Cup. The runners-up (Be1 NFA) qualified for the A Lyga play-off. The fourteenth-placed team (PanevÃÂà ¾ys B) qualified for the I Lyga play-off, winning to retain their place in the league. The bottom two teams (Jonava and à ½algiris B) were relegated to the 2024 LF II Lyga, alongside MarijampolàCity (who withdrew from the league) and Riteriai B (after Riteriai were relegated from the 2023 A Lyga.)
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The fourteenth-placed club (PanevÃÂà ¾ys B) faced the third-placed club from the 2023 LFF II Lyga (Hegelmann B) for the final place in the following season's I Lyga.