John McConnell (born November 13, 1958), aka John "Spud" McConnell, is an American actor and a radio personality based in New Orleans, Louisiana.

He has acted in more than 40 movies. McConnell is a character actor who appears regularly in movies set or filmed in the Gulf Coast region. He has also appeared in numerous plays, including a run Off-Broadway in the one-man show The Kingfish, wherein he portrayed colorful Louisiana Governor Huey P. Long. He is perhaps best-known for having portrayed Ignatius J. Reilly in A Confederacy of Dunces. For that role, he has been honored with a life-sized bronze statue on historic Canal Street in downtown New Orleans. Literary fans travel from across the globe to see "Ignatius" from the Pulitzer Prize winning novel.

On television, McConnell made appearances over three seasons on Roseanne with good friend and colleague John Goodman. Most recently, McConnell is featured in a recurring role on the FX series The Riches, starring Eddie Izzard and Minnie Driver.