Allan may refer to any one of the following:
Allan Rodrigues de Souza (born 3 March 1997), known as Allan, is a Brazilian footballer who plays as a midfielder for Sint-Truiden, on loan from Liverpool.
Born in Porto Alegre, Rio Grande do Sul, Allan rose slowly through the ranks as a youth product of his hometown club Internacional. Goal Brazil’s deputy editor Rodrigo Calvozzo claimed Allan "was always treated by Internacional as one of the most important players in the team."
In the summer of 2015, he joined English Premier League club Liverpool for a fee of £500,000 after impressing the club's coaches at the Frenz International Cup.
On 2 September 2015, he was loaned to Finnish club Seinäjoen Jalkapallokerho on a short term deal. Allan scored on his debut eight days later, coming on in the 56th minute for Jussi Vasara and opening the scoring sixteen minutes later in a 1–1 draw away to KuPS. He finished the season with two goals in eight appearances, in the process helping the club win the Veikkausliiga title. On 29 October 2015, Allan returned from his loan spell to Liverpool, greeting the new manager of the club, Jürgen Klopp, for the first time.
Allan Marques Loureiro (born 8 January 1991), better known as Allan is a Brazilian footballer who plays for Italian club Napoli. He operates primarily as a defensive midfielder and central midfielder and is comfortable at playing both in attack and defence and is equally comfortable being deployed deep or as a playmaker.
Normally a defensive midfielder, Allan is known as a dynamic midfielder with good ball winning skills. He also possesses good dribbling skills, pace and good long passing ability. He has been described as different from traditional defensive midfielder, due to his reputation for dribbling past defenders and passing through the legs of a defender.
Allan has dual citizenship and also holds a Portuguese passport which makes him eligible to be counted as an EU player.
Allan Marques Loureiro was born on 8 January 1991 in Rio de Janeiro Brazil.
He started his career in the youth system of his local Rio de Janeiro club Madureira then went on loan to play for the youth of fellow Rio de Janeiro club Vasco da Gama where his talent was picked up by scouts of Uruguayan side Deportivo Maldonado and was signed by Deportivo Maldonado to join their youth ranks but never got to play for Deportivo Maldonado youth or first team cause Vasco da Gama requested him again on loan to play for their first team.