The Messe für den Gründonnerstag (Mass for Maundy Thursday), WAB 9, is a missa brevis composed by Anton Bruckner in 1844.

Bruckner composed the Messe für den Gründonnerstag, a Choral-Messe in F major (WAB 9) for mixed choir a cappella, in 1844 while he was a schoolteacher's assistant in Kronstorf.

On the front page of Bruckner's manuscript[5] is written: In front of page 3 of the manuscript is written In coena Domini (At the Last Supper) This Missa brevis exhibits as the previous Kronstorfer Messe relationships to Palestrina's style.

[6] It contained originally no Kyrie or Gloria, but included the Gradual Christus factus est and the Offertory Dextera Domini proper for the feast.

[13] To make the Messe für den Gründonnerstag usable for Eucharist celebration There is a single recording of the entire original setting of the Mass: