Fajsławice [fai̯swaˈvit͡sɛ] is a village in Krasnystaw County, Lublin Voivodeship, in eastern Poland. It is the seat of the gmina (administrative district) called Gmina Fajsławice. It lies approximately 19 kilometres (12 mi) north-west of Krasnystaw and 32 km (20 mi) south-east of the regional capital Lublin.
The village has a population of 1,457.
The Battle of Fajsławice took place in the village during the January Uprising in 1863.