Grinnell Regional Airport (ICAO: KGGI, FAA LID: GGI), known locally as Billy Robinson Field, is a city-owned public-use airport located one mile (1.6 km) south of the central business district of Grinnell, a city in Poweshiek County, Iowa, United States.

[1] It is included in the National Plan of Integrated Airport Systems for 2017–2021, which categorized it as a local general aviation facility.

Grinnell Regional Airport covers an area of 115 acres (46.5 ha) at an elevation of 1008 feet (307 m) above mean sea level.

It has one runway: 13/31 is 5,200 by 75 feet (1,585 x 23 m) with a grooved concrete surface, it also has approved precision instrument approaches.

[1][3] For the 12-month period ending September 27, 2016, the airport had 5,950 aircraft operations: all general aviation.