Welthon Fiel Sampaio (born 21 June 1992) is a Brazilian professional footballer who currently plays as a forward for Hong Kong Premier League club Kitchee.
Born in Belém, Welthon played once in the Campeonato Paraense for hometown club Tuna Luso in 2010 before moving to Atlético Goianense.
[5] He finished his first season in the top flight with 11 goals, joint-seventh best in the league;[6] this included braces in home and away wins over Vitória FC.
[9][10] On 23 January 2018, Welthon transferred to neighbours Vitória SC on a four-year deal, with a release clause of €30 million.
[13] On 2 September 2019, Welthon returned to Paços on a season-long loan, after Ivo Vieira demoted him to Vitória's reserves.