Frasnes-lez-Gosselies (, ; ) is a village of Wallonia and a sub-municipality of the municipality of Les Bons Villers, located in the province of Hainaut, Belgium.
Fraxina (1146; 1147; 1148), Frasna (1148), Fraine (1205; ñ1210), Fraxinensis (1205), Fraina (1222).