Werner Knudsen (born 23 October 1953) in Ringsted) is a Danish computer scientist, composer and author of both choral music and IT books.
He is an IT architect at IBM and used to work at TDC A/S.
He lives in Glostrup close to Copenhagen.
Parallel to his IT career he has always worked with music, in particular choir singing.
For a number of years he was chairman of The Children's choir of the Royal Danish Academy of Music for which he has arranged some music.
He is also a member of Akademisk Kor, a Copenhagen-based oratorio choir.
He has primarily composed songs as well as choral and organ music, notably in collaboration with author Niels Johansen.
Hvem kaldte på erantis?, a collection of their songs and hymns, was published at Unitas Forlag in 2010.
His Sommersange, a choral cycle with lyrics by Thøger Larsen, has been published at Edition S in 2008.