Maicon Douglas Sisenando (born 26 July 1981), known as Maicon (Portuguese pronunciation: [ˈmaiko]), is a Brazilian footballer who plays as a right-back for Tre Penne.
Maicon began his career in his native country with Cruzeiro, after initially playing for Gremio and Criciuma at youth level. He played 125 times for Cruzeiro between 2000 and 2004, earning one national league title and several other domestic competitions, before moving to Europe when he signed for Ligue 1 side Monaco. After two years in Monaco, he signed for Inter Milan in 2006, where he became an established first team player, going on to win the UEFA Champions League in 2010, four Serie A titles, the FIFA Club World Cup and various domestic competitions. In August 2012, he signed for Manchester City. Maicon failed to secure a regular place in the team, moving back to Italy to play for Roma the following season. He returned to Brazil in 2017, playing for Avai, Criciuma and Villa Nova. In January 2021, he joined Italian Serie D side Sona.
A former Brazil international, Maicon made his debut in 2003 and represented his nation on 76 occasions, scoring seven goals. With Brazil, he won a runners-up medal at the 2003 CONCACAF Gold Cup, and took part in three Copa America tournaments (winning the competition in 2004 and 2007) and two FIFA World Cups (finishing in fourth-place in 2014 on home soil). He was also a member of the Brazilian teams that won consecutive FIFA Confederations Cup titles in 2005 and 2009.