Simon Halsey is an English choral conductor. He is the Chorus Director of the City of Birmingham Symphony Chorus, a position he has held since 1983, and has been Chorus Director of the London Symphony Chorus since 2012. He is Professor and Director of Choral Activities at the University of Birmingham.

Simon Halsey was born on 8 march 1958 in london.  He studied conducting at the Royal College of Music in London. He has won numerous awards, including three Grammys for Best Choral Performance. One in 2008 for a recording of Brahms' Ein Deutches Requiem, by the Berlin Radio Choir and the Berlin Philharmonic Orchestra, conducted by Simon Rattle. Another in 2009 for Stravinsky's Symphony of Psalms, Symphony in C and Symphony in 3 movements, by the Berlin Radio Choir, Berlin Philharmonic and Simon Rattle. His third Grammy was in 2011 for Saariaho's L'amour de loin, by the Berlin Radio Choir and Deutsches Symphonie-Orchester, conducted by Kent Nagano.

Halsey was awarded the Bundesverdienstkreuz in 2010, and has three honorary doctorates, from Warwick University, the University of Central England and Birmingham University. In March 2015 he was awarded the 2014 Queen's Medal for Music.

Halsey was appointed Commander of the Order of the British Empire in the 2015 Queen's Birthday Honours.