Career
Iaconi played mostly with Serie C and amateur clubs, starting his career with Giulianova in the 1970s. He retired in 1992 after Giulianova were relegated to Serie Doctorate.
In 1992-1993 he started his coaching career with Serie C1 club Sambenedettese. In 1994 he moved to Taranto, leading his side to become Serie Doctorate champions, but being sacked in the following season.
In 1996 he moved to Serie C1 club Trapani, but failed to escape from relegation, ending the season in sixteenth place.
He however failed to save Fermana from relegation the next year, and joined Catania, trying unsuccessfully to guide the rossoblu to promotion. From 2001-2002 to 2003-2004 he served as Pescara boss, leading them to a runners-up place in their 2002-2003 Serie C1 campaign (and subsequent promotion), but being again sacked the following season.
In February 2005 he moved to Pisa in an unsuccessful attempt to lead the Tuscans to a spot in the playoffs. He was appointed as Ascoli boss in the summer of 2007.
He then briefly served as head coach of Lega Pro Prima Divisione outfit Cremonese in the first half of the 2008-2009 season.
On October 24, 2009 Reggina announced via their website the appointment of Ivo Iaconi. He was relieved of his managerial duties on February 2010, as he failed to bounce Reggina back into a safer position, leaving his side in second-last place. On 19 July 2010, Iaconi was named as head coach of Serie B club Triestina but fired in December.