Jaakko Tuuri (19 March 1884 Ylistaro–2 March 1947 Hämeenlinna) was a Finnish composer. Tuuri graduated as a cantor-organist from the Cantor-organist school in Helsinki in 1905, studied at the Helsinki Music College in 1907–1909 and vocal studies in 1909, and made a study trip to Dresden in 1911–1912. Tuuri worked as acting manager of Ylistaro, as cantor-organist 1903–1905, Kemi’s cantor-organist 1909–1917 and Hämeenlinna’s cantor- organist since 1912. He worked as a singing teacher at Kemi co-educational school 1910–1917 and at Hämeenlinna home industry college since 1925. Tuuri was the district conductor of the Kanta-Häme patronage district since 1943. He gave concerts of compositions and acted as a vocal soloist, as a choir leader and accompanist and as a leader of music parties. Tuuri received several awards for his compositions, the director musics title was awarded to him in 1931.