1931 LFF Lyga
| Season | 1931 | 
|---|---|
| Champions | KSS Klaipėda | 
| Matches played | 21 | 
| Goals scored | 91 (4.33 per match) | 
| Longest unbeaten run | KSS Klaipėda (6 games) | 
| Longest losing run | Tauras Kaunas (6 games) | 
| ← 1930  1932 →  | |
The 1931 LFF Lyga was the 10th season of the LFF Lyga football competition in Lithuania. It was contested by 7 teams, and KSS Klaipėda won the championship.
League standings
| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts | 
|---|---|---|---|---|---|---|---|---|---|
| 1 | KSS Klaipėda | 6 | 4 | 2 | 0 | 24 | 7 | +17 | 10 | 
| 2 | Kovas Kaunas | 6 | 4 | 0 | 2 | 22 | 14 | +8 | 8 | 
| 3 | Freya Klaipėda | 6 | 3 | 1 | 2 | 7 | 16 | −9 | 7 | 
| 4 | Sveikata Kybartai | 6 | 2 | 2 | 2 | 14 | 14 | 0 | 6 | 
| 5 | LGSF Kaunas | 6 | 3 | 0 | 3 | 12 | 12 | 0 | 6 | 
| 6 | LFLS Kaunas | 6 | 2 | 1 | 3 | 11 | 10 | +1 | 5 | 
| 7 | Tauras Kaunas | 6 | 0 | 0 | 6 | 1 | 18 | −17 | 0 | 
Source: rsssf.com