Juan Manuel Munafo Horta (born 20 March 1988) is an Argentine professional footballer who plays as a midfielder for Greek Super League club Asteras Tripolis, for which he is captain.

His career began in July 2009 when he signed a professional contract with Panthrakikos.

On 31 August 2015, he signed a two years' contract with his former club Platanias for an undisclosed fee.

On 2 August 2017, Asteras Tripolis officially announced the return of experienced defensive midfielder to the club, after two seasons.

The 29-year-old Argentine, who was also a member of the ambitious Superleague club between 2013 and 2015 (83 performances in all competitions) and has played for Platanias since his first transfer move to Greece back in the summer of 2009 as well, signed two-season contract with the team of manager Staikos Vergetis, who knows him very well from their common spell at Asteras Tripolis, for an undisclosed fee.