The club was founded at Irati city, in 1914. The founders were a group of sportsmen led by Antônio Xavier da Silveira. Iraty Sport Club is one of the oldest clubs of Paraná and the club's first match was in 1914, defeating Imbituvense by 3-0.
On May 1, 2002, the club won its first state championship, competing the Copa do Brasil of the following year. In that year, the club also won the Campeonato Paranaense de Juniores (Paraná Youth Championship).