Maurice Schoemaker (Anderlecht, 27 December 1890 – Etterbeek, 24 August 1964) was a Belgian composer.
Certain works by his hand bear the peusonym Wil Saer.
Maurice Schoemaker started his career as a self-taught composer, but subsequently went to study with Theo Ysaye (harmony), Michel Brusselmans (counterpoint), Martin Lunssens (fugue), and Paul Gilson (orchestration and composition).
He has gathered a varied list of works containing symphonic pieces, songs, operas, piano pieces, chamber music, sacred music, choral music, and radio plays.
His most famous piece is Vuurwerk (also known as Feu d’Artifice or Fireworks) (1922), which is a symphonic poem.