Lucas Riva Amarante "Bebê" Nogueira (born July 26, 1992) is a Brazilian former professional basketball player.

He was selected with the 16th overall pick in the 2013 NBA draft by the Boston Celtics, but was later traded to the Atlanta Hawks.

[1] On June 27, 2013, the day of the NBA draft, Nogueira signed a two-year contract extension with Estudiantes.

He was selected with the 16th overall pick by the Boston Celtics on behalf of the Dallas Mavericks, who then traded his draft rights to the Atlanta Hawks.

[7] On June 30, 2014, Nogueira's draft rights were traded, along with Lou Williams, to the Toronto Raptors in exchange for John Salmons and a 2015 second-round pick.

[11] On March 12, 2015, he was assigned to the Fort Wayne Mad Ants of the NBA Development League.

[19] Three days later, he recorded six points, 10 rebounds, one assist, three steals and a career-high five blocked shots in a 118–107 win over the New York Knicks.

[21] The Raptors did not extend a qualifying offer for the 2018–2019 season, so Nogueira became an unrestricted free agent.