| Franciszek Ksawery Lubomirski | |
| House-Type: | Szlachta |
| Noble Family: | Lubomirski |
| Father: | Stanisław Lubomirski |
| Mother: | Ludwika Honorata Pociej |
| Spouse-Type: | Consort |
| Issue: | with Teofila Rzewuski Konstanty Stanislaw Lubomirski Eugeniusz Lubomirski with Maria Lvovna Naryshkina Antoni Juliusz Lubomirski Aleksander Ignacy Lubomirski |
| Birth Date: | 1747 |
| Birth Place: | Smila, Kiev Voivodeship |
| Death Date: | 1819 |
Franciszek Ksawery Lubomirski (1747–1819) was a Polish noble, Russian general.
Franciszek was born in a family of Stanisław Lubomirski voivode of Kijow who he had many possessions in Kiev Voivodeship, which following the First Partition of Poland fell under the Russian Empire control.
Franciszek Ksawery decided to become a Russian citizen. In 1777 he joined the Russian Army, eventually reaching the rank of general major.
Married three times, he had several children. His first wife was a daughter of the voivode of Kijow Franciszek Salezy Potocki. His second wife was a daughter of the Great Standard-bearer of Lithuania Stanisław Ferdynand Rzewuski. His third wife was a granddaughter of Kirill Razumovsky.