Jacno (3 July 1957, in Paris – 6 November 2009) was a French musician.

Born as Denis Quillard, he was a founding member of the first French punk band The Stinky Toys. In the early 1980s, after the group disbanded, he teamed up with former Stinky Toys singer Elli Medeiros to form the pop duo Elli et Jacno. Jacno had also released a number of solo albums since 1979.