| Surname | First name | Pseudonym | Year of birth | Fond No. | Inventory No. | File No. |
|---|---|---|---|---|---|---|
| Firevičius | Mykolas | - | 1904 | K-1 | 61 | 109 |
| Firevičius | Mykolas | - | 1904 | K-1 | 58 | 29363/3 |
| Firevičius | Vytautas | - | 1927 | V-14 | 1 | 4 |
| Firevičius | Vytautas | - | 1927 | V-14 | 1 | 12 |
| Firger | - | - | - | 3377 | 55 | 100 |
| Firienė | Audronė | - | 1962 | K-1 | 61 | 18 |
| Firienė | Paulina | - | 1898 | V-135 | 7 | 222 |
| Firinovič | Stanislav | - | 1956 | V-147 | 1 | 98 |
| Firiulin | Aleksandr | - | - | V-147 | 49 | 2 |
| Firiulin | Varlam | - | 1888 | V-79 | 1 | 6 |
| Firkavičius | Romualdas | - | 1933 | V-4 | 2 | 2 |
| Firkavičiūtė | Karina | - | 1971 | K-1 | 61 | 18 |
| Firko | Benedikt | - | 1930 | L-3 | 4 | 1 |
| Firko | Bropnislava | - | 1927 | V-4 | 2 | 2 |
| Firko | Česlav | - | 1933 | V-147 | 2 | 86 |
| Firko | Franc | - | 1921 | V-135 | 3 | 6 |
| Firko | Stanislav | - | 1929 | V-147 | 2 | 73 |
| Firkov | Gabriel | - | - | 4421 | 2 | 6 |
| Firkovič | Gabriel | Jacko | - | 1 | 5 | 4 |
| Firkovič | Josif | - | - | 3406 | 51 | 400 |
