The Heat Line (French: La Ligne de chaleur) is a 1988 Canadian drama film, directed by Hubert-Yves Rose. The film stars Gabriel Arcand as Robert Filion, a divorced man who is travelling with his young son Maxime (Simon Gonzalez) to Florida to identify and claim the body of his father Eugène (played by Gérard Poirier in flashbacks and hallucinations) after the older man's death of a sudden heart attack.

The film's cast also includes Gerard Parkes as Norman Simpson, a retired American man they meet on the trip who appears to be trying to ingratiate himself into Robert's life as a replacement father figure, and Charlotte Boisjoli as Robert's mother.

The film premiered in the Directors' Fortnight program at the 1988 Cannes Film Festival, and had its Canadian premiere at the 1988 Toronto International Film Festival.