Jailson Marques Siqueira (born 7 September 1995), simply known as Jailson, is a Brazilian professional footballer who plays as a defensive midfielder.
Jailson made his professional debut on 18 March 2015, playing for Chapecoense in a Copa do Brasil match against Interporto, entering the field in the second half of a 5âÂÂ2 away victory.
In January 2016, Jailson returned to his parent club Grêmio. He made his debut for the club in a 3âÂÂ2 away loss against São Paulo-RS for the Campeonato Gaúcho. Jailson scored his first professional goal in a 3âÂÂ3 away draw against former club Chapecoense for the Campeonato Brasileiro.
On 30 August 2018, Jailson joined Süper Lig club Fenerbahçe S.K.
On 18 September 2020, Jailson signed with Chinese Super League (CSL) club Dalian Pro. He did not play for the team in 2021 as he was unable to return to China.
On 7 January 2022, Jailson signed with Palmeiras.
On 28 December 2023, Jailson moved to Spain, signing a contract until 30 June 2025 with La Liga club Celta de Vigo.
On 2 September 2025, MLS club Los Angeles FC signed free agent midfielder Jailson through the remainder of the 2025 season with club options for 2026 and 2027. At the end of the season, Jailson's contract option was declined.
Grêmio
Palmeiras