The 4th constituency of Jász-Nagykun-Szolnok County (Hungarian: Jász-Nagykun-Szolnok megyei 04. számú országgyűlési egyéni választókerület) is one of the single memberconstituencies of the National Assembly, the national legislature of Hungary. The constituency standard abbreviation: Jász-Nagykun-Szolnok 04. OEVK.[2]
The 3rd constituency of Jász-Nagykun-Szolnok County was created in 2011 and contained of the pre-2011 abolished constituencies of 5th and 6th and part of 7th constituency of this County. Its borders have not changed since its creation.