Lucio Carlos Cajueiro Souza
- Fortaleza Esporte Clube 2013 - present
- Clube Náutico Capibaribe 2012
- Gremio Foot-ball Porto Alegrense 2010 - 2011
- Gremio Foot-ball Porto Alegrense 2009 - 2010 (loan)
- Hertha BSC Berlin 2007 - 2010
- Gremio Foot-ball Porto Alegrense 2007 (loan)
- Sociedade Esportiva Palmeiras 2003 - 2007
- Sao Paulo Futebol Club 2006 (loan)
- Ituano Futebol Clube 2002 - 2003
- Esporte Clube XV de Novembro (Piracicaba) 2001 - 2002
- Esporte Clube São Bento 2000 - 2001
- Sociedade Esportiva do Gama 2001
- Esporte Clube São Bento 2001
Lucio Carlo Cajueiro Souza, commonly known as Lucio, is a Brazilian football player who currently features for the German Bundesliga club Herthe Berlin. He plays as a left-back.
Lucio commenced his professional club football career at Sao Bento and has played for a number of clubs in Brazil. He won the Sao Paulo State Championship in 2002, the Rio Grande do Sul Championship in 2007 and the Brazilian Championship in 2006 with Sao Paulo.
Lucio was signed by Hertha Berlin in 2007.
Lucio made his international debut for Brazil in 1998 and played for his nation until 2001, featuring in 12 international matches.