Madeline Piujuq Ivalu is a Canadian Inuk filmmaker and actor. One of the cofounders of Arnait Video Productions, a women's video and filmmaking collective in Nunavut, she co-directed, co-wrote and starred in Arnait's first feature film production, Before Tomorrow. She costarred in the film with her real-life grandson, Paul-Dylan Ivalu. Her codirector of the film was Marie-Hélène Cousineau, and both women cowrote the film with Susan Avingaq.

She garnered three Genie Award nominations at the 30th Genie Awards, for Best Performance by an Actress in a Leading Role, Best Achievement in Direction and Best Adapted Screenplay. Ivalu and Cousineau also codirected the 2013 film Uvanga, in which Ivalu played a supporting role.

She previously also acted in the films Atanarjuat: The Fast Runner and The Journals of Knud Rasmussen, and was one of the credited writers of The Journals of Knud Rasmussen.