Lars Danielsson (born 5 September 1958) is a Swedish jazz bassist, composer, and record producer.

In 1985, he formed a quartet with saxophonist Dave Liebman, pianist Bobo Stenson and drummer Jon Christensen that sometimes used Danielsson's name, producing several albums.

He played and recorded with John Scofield, Jack DeJohnette, Mike Stern, Billy Hart, Charles Lloyd, Terri Lyne Carrington, Leszek Możdżer, Joey Calderazzo, Gino Vannelli, Tigran Hamasyan and Dave Kikoski.

In these albums, Alex Acuña, John Abercrombie, Bill Evans, Kenny Wheeler, Rick Margitza and Niels Lan Doky were featured.

As a producer, Danielsson has been responsible for productions with Cæcilie Norby and the Danish radio orchestra.