There are multiple artists that perform under the name:

1. Demo (in Cyrillic: Демо) , a Russian pop dance group founded in 1998 by Vadim Polyakov and Dmitry Postovalov. Aleksandra Zvereva was the singer for the group in 1998–2008, now Darya Pobedonostseva is the singer.

2. demo, a UK based producer

3. Demo, an emo band with post-punk undertones from Gainesville, Florida.

4. Demo, a progressive rock with reggae inspiration band formed in Argentina in 1983 by Rinaldo Rafanelli, alongside Ricardo Mollo, Beto Topini, and Daniel Leis. They released only one registered album in 1984, titled Lumpen.