Nelonen or IV divisioona is the sixth level in the Finnish football league system and comprises 159 teams. The IV divisioona was introduced in 1973 and in the mid-1990s became known as the Nelonen. Until the end of 2023, Nelonen was a fifth-highest level in Finnish football league system, but after the formation of the new second-tier Ykkösliiga, Nelonen dropped down one level in pyramid to create a new sixth-tier Nelonen.