Matthew W. "Matt" McCoy (born March 29, 1966) is a member of the Board of Supervisors of Polk County, Iowa, representing the fifth district.

McCoy graduated from Dowling Catholic High School, in West Des Moines, Iowa, and received his B.A.

While in the Iowa Senate, McCoy served on several committees, including commerce, local government, transportation, and appropriations.

[citation needed] McCoy was re-elected in 2006 with 13,276 votes (66%), defeating Republican opponent Nicholas G. van Patten, and again in 2010.

[3] On January 31, 2018, McCoy announced he would not seek reelection to the Iowa State Senate and instead would run for Polk County Supervisor from District Five, a seat held by Democrat John Mauro for the previous 16 years.