Gérald Gagnier (14 October 1926 – 14 January 1961) was a Canadian bandmaster, composer, and trumpeter.
He attended the Séminaire Saint-Joseph de Trois-Rivières from 1939 to 1945 where he received his general education.
[1] In 1945 Gagnier entered the Conservatoire de musique du Québec à Montréal where he studied through 1951.
In 1954 he earned a diploma from the Royal Military School of Music after passing tests given by a traveling examiner.
[1] Gagnier began his career as a trumpeter in the Canadian Grenadier Guards Band which was conducted by his uncle J.-J.