thumb|Bruno Mathieu (born 23 March 1958) is a French organist. He studied organ with Jean Langlais, Suzanne Chaisemartin, Jean Guillou, Marie-Claire Alain, and composition with Pierre Lantier, as well as piano with France Clidat and Gisèle Kühn. He is the organist of the Church of Saint-Justin de Levallois-Perret. To date, he has given over six hundred recitals in Canada and throughout Europe. In Paris, he is particularly active at the great organs of Notre-Dame de Paris and the Saint-Sulpice, Saint-Germain-des-Prés, la Madeleine churches. Mathieu teaches organ at the 20th arrondissement of Paris Conservatory.
Mathieu has recorded under the label Festivo, Adda, Naxos, Numérisson. His compositions include a "Te Deum", premiered at Notre-Dame de Paris on 31 December 2000, a "Fantasy for organ", and a small suite for piano.