Mats Eilertsen (born 4 March 1975) is a Norwegian jazz musician and composer. He is known for recording with numerous bands, including the Maria Kannegaard Trio, Ola Kvernberg, Nils Økland, Eldbjørg Raknes, Anders Aarum Trio, Eirik Hegdal, Sverre Gjørvad, Nymark Collective, SKRUK, «Jazzmob», «Dingobats», Håkon Kornstad Trio, Food with Iain Ballamy, Jacob Young Band, Solveig Slettahjell's Slow Motion Orchestra, Håvard Wiik Trio, and «JazzCode».
