Montignies-sur-Roc, a village in the municipality Honnelles, in the Belgian province of Hainaut.
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Montignies-sur-Sambre, a section of the Belgian town of Charleroi within the Walloon region in the Province of Hainaut, along the river Sambre
Hector Heusghem (Ransart, 15 February 1890 — Montignies-le-Tilleul, 29 March 1982) was a Belgian cyclist who finished second in the 1920 and 1921 Tour de France.