Guy Jansen

Guy Elwyn Jansen (27 May 1935 – 27 May 2019) was a New Zealand music educator and choral musician.

Early life and family Born in Carterton on 27 May 1935, Jansen was educated at Horowhenua College. In 1960, he married Judy Mary Rolls, and the couple went on to have three children. He completed a Diploma of Education at Wellington Teachers' College in 1963, In 1969, also at Victoria, he graduated Bachelor of Music.

He was also a Fellow of Trinity College London (1969), and a Licentiate of the Royal Schools of Music (1968). In 1979, Jansen established the New Zealand Youth Choir, serving as its musical director, and toured with the choir internationally in 1982. and he was the first person to arrange the New Zealand national anthem, "God Defend New Zealand", with both English and Māori lyrics, for the New Zealand Youth Choir's 1982 tour.