| instruments = Bass
| years = 2008 -
| tours = [[Lights In The Sky Tour|Lights In The Sky]], [[Wave Goodbye (tour)|Wave Goodbye]]
}}'''Justin Meldal-Johnsen''' (born March 26, 1970 in Eugene, Oregon, USA), commonly known to fans as '''JMJ''', is a session bassist, producer and songwriter, best known for his work with Beck. He has worked with a number of bands, including Garbage, Macy Gray, [[Tori Amos]], Air, The Mars Volta, Courtney Love, [[Ladytron]], The Foo Fighters, Frank Black and more. On June 5th, 2008, it was announced on [[nin.com]] that Meldal-Johnsen was part of the [[Nine Inch Nails]] live band.