Tideline (French: Littoral) is a Canadian-French drama film, directed by Wajdi Mouawad and released in 2004. The film stars Steve Laplante as Wahab, a Lebanese Canadian man whose estranged father (Gilles Renaud) dies, leading Wahab to undertake a trip to Lebanon to bury his father's body in his home country, only to run into complications that send him wandering around the country and reveal aspects of his father's life that he never knew.The film was adapted from Mouawad's own stage play, and was his first foray into film direction.Its cast also includes Miro Lacasse, Isabelle Leblanc, David Boutin, Pascal Contamine, Manon Brunelle, Estelle Clareton, Thérèse Boulad, Hani Mattar, Abla Farhoud, Pierre Curzi and Stéphane F. Jacques.

The film premiered in September 2004 at the 2004 Toronto International Film Festival, before premiering commercially in November.