Nagyiván is a village in Jász-Nagykun-Szolnok county, in the Northern Great Plain region of central Hungary.

It covers an area of 43.16 km2 (17 sq mi) and has a population of 1,175 people (2015).

The village lies at the edge of the Hortobágy National Park (the first and biggest Hungarian national park, part of the world heritage).

The inhabitants mainly work in the agricultural sector.

This Jász-Nagykun-Szolnok location article is a stub.