Juan Guilherme Nunes Jesus (born 10 June 1991 in Belo Horizonte), usually known as Juan Jesus or simply Juan, is a Brazilian football defender/left back. He currently plays for Internazionale.

Sport Club Internacional
After initially started with the Brazilian team of Futsal, in 2007 he joined in the Sport Club Internacional Youth Club. He made his debut in first team in 2010, winning the Copa Libertadores. On 16 December 2011, the International sold for just over 2.6 million euros, 65% of the defender's agent Giuliano Bertolucci card to pay off the debts with the latter that had accumulated when he was signed to renew the playmaker Oscar, who was also assisted by Bertolucci.

Internazionale
On 30 January 2012, FC Internazionale bought his card. Juan Jesus made his first Serie A appearance for Inter on 13 May 2012, in the 1–3 loss against SS Lazio after coming on as a last minute substitute for Diego Milito.

Since the start of the 2012/2013 season, Juan Jesus has been a starter centre-back for Inter, alongside Andrea Ranocchia and Walter Samuel in a 3-5-2 system.

National team
After having played in the Under-18 selections and Under-19 national team, in early 2010 in the Under-20 receives the call of Ney Franco. In January 2011 took part in the successful expedition to the South American Under-20 2011, playing all eight matches of the competition. In the same year he took part to the World Under-20, in which the verdict was imposed again. He made his Brazil first team debut against Denmark on the 26th of May 2012 playing the full 90 minutes. He played the full 90 minutes in Brazil's 4-3 defeat to Argentina on 9 June 2012.