Dexter B. Florence Memorial Field (ICAO: KADF, FAA LID: ADF) (formerly identified as M89 by FAA) is a city-owned public-use airport located one nautical mile (2 km) south of the central business district of Arkadelphia, a city in Clark County, Arkansas, United States.

This airport is included in the FAA's National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a general aviation facility.