Da is a spanish pop band and a British post‑punk band. And also a spanish rap group.

Da may also refer to an underground New Wave band from Chicago in the very early 1980s. http://punk.dee‑nee.com/wiki/Da

The California Christian alternative band Daniel Amos released several albums in the 1980s under the shortened name DA.

The name «da» is also used by the acoustic instrumentalist, Jacob Kimasu, who plays touhou arrangements under the alias Forest306. You can find out more about him and view his latest releases and updates at his blog: http://tohoguitar.blog51.fc2.com/ (Japanese).