Ars Nova is a Japanese progressive rock band. The current members are Keiko Kumagai (keyboards), Shinko "Panky" Shibata (bass guitar), Hazime (drums) and Satoshi Handa (guitar).

Ars Nova's music features keyboards heavily—this was particularly true between 1998 and 2003 when the band had two keyboard players. Common sounds include the ubiquitous Hammond organ, as well as more recent digital sounds. Almost all of their music is instrumental.