Karen Lesley Grylls CNZM (born 9 July 1951) is a New Zealand choral conductor.

She is an associate professor in choral conducting at the University of Auckland and founder of Voices New Zealand Chamber Choir.

In 1992, the Youth Choir won the Silver Rose Bowl award at the international choral competition Let the Peoples Sing.

[6][7] In the 1999 New Year Honours, Grylls was appointed an Officer of the New Zealand Order of Merit, for services to choral music.

In the 2023 King's Birthday and Coronation Honours, Grylls was promoted to Companion of the New Zealand Order of Merit, for services to choral music.