Third Wedding (French: Troisièmes noces) is a comedy-drama film, directed by David Lambert and released in 2018. A coproduction of companies from Belgium, Canada and Luxembourg, the film stars Bouli Lanners as Martin, a gay man grieving the recent death of his husband; in need of money to keep the house they shared, he decides to enter a marriage of convenience with Congolese immigrant Tamara (Rachel Mwanza) so that she can stay in the country, with the two unexpectedly falling into a sort of love as they try to convince the authorities that their relationship is real.

The cast also includes Jean-Luc Couchard, Virginie Hocq, Eric Kabongo, Nele Kestens, Catarina Reverendo, Lionël Ruzindana, Jean-Benoît Ugeux, Benoit Moureaux, André Pasquasy and Denis Simonetta.

The film was adapted from Tom Lanoye's 2006 novel Het derde huwelijk.