1942–43 LFF Lyga

The 1942–43 LFF Lyga was the 22nd season of the LFF Lyga football competition in Lithuania. Tauras Kaunas won the championship.

Sūduva Group

 * Sveikata Kybartai 3-0 Dainava Alytus

Jonava Group

 * LFLS Jonava

Žemaitija Group

 * Džiugas Telšiai

Quarterfinal

 * Gubernija Šiauliai 3-0 Džiugas Telšiai
 * LGSF Vilnius 3-1 LFLS Jonava
 * Tauras Kaunas 5-0 Sveikata Kybartai

Semifinal

 * MSK Panevėžys 2-1 LGSF Vilnius
 * Tauras Kaunas 5-1 Gubernija Šiauliai

Final

 * Tauras Kaunas 4-1 MSK Panevėžys