Ilson Pereira Dias Júnior (born 12 October 1985 in São Bernardo do Campo), commonly known as Ilsinho, is a Brazilian right midfielder who currently plays for the Philadelphia Union. Ilsinho originally started his career as a right back, but during his time at Shakhtar Donetsk he was used as a winger, where he showed off his skill and speed.
Ilsinho began his career in 2006 with Palmeiras before switching to São Paulo later in the same year to replace Cicinho, who had moved to Real Madrid.
On 29 July, it was announced that Ilsinho had completed a €10 million transfer to Ukrainian club Shakhtar Donetsk, signing a four-year contract with the club until 29 July 2011. During his time in Donetsk, he became known for his dribbling skills and vision of the field. He scored the opening goal in a Champions League match against Spanish club FC Barcelona. On 9 May, Ilsinho scored a game-winning goal against Dynamo Kyiv, which won a place for Shakhtar in the final of the UEFA Cup. He contributed a great performance to the team and helped them win their first-ever UEFA Cup. He returned to Brazil after the success of the UEFA Cup win against Werder Bremen.