Mathilde is a song by Jacques Brel with music by Gérard Jouannest.

It was one of the five tracks appearing on the B-side of his eighth album, Ces gens-là (Those people), released in 1966 on a 10-inch record (ref.

Brel performed it for the first time in public on 23 July 1963 at Knokke Casino.

Jacques, the narrator, having learnt about the return of Mathilde, a former lover with whom he had a painful relationship, feeling once more inexorably taken over by passion, calls on many of those close to him: his mother ("Mother, now's the time to pray for my soul" and later on "Mother, stop praying, your Jacques's going back to hell"); a maid called Maria who, we might guess, has been an occasional lover ("You the maid, you Maria, you'd better change our bed sheets..."); a bougnat (coalman and barkeeper) ("Bougnat, put away your wine, tonight I'll drink from my sorrow..."); his friends ("My friends, don't leave me, tonight I'm going back to the front...").

Like Marieke and Madeleine, Mathilde is a song about passionate love for a woman whose name begins with "M".