Agnes Duncan MBE (10 November 1899 – 1996) was a Scottish singer and choral conductor.

Her Scottish Junior Singers won the leading BBC choral competition on two occasions.

and she was singing in Vale of Leven children’s choir, with her elder sister, when she was ten.

In 1958 Duncan's choir had won the children's and the youth class of the BBC radio's Let the People Sing choral competition.

[4] In 1961 Agnes Duncan's choir again won the children's and the youth class.