Juliano Francisco de Paula, known as Tuca, (born 9 August 1981) is a Brazilian football defender who played in Brazil, Bahrain and the United Arab Emirates.
Tuca signed with Chapecoense in 2003, leaving to join Náutico in 2005. In November 2005 he played in a Campeonato Brasileiro Série B playoff match between Náutico Grêmio, which later became known as the Battle of Aflitos.