Sheilla Tavares de Castro (born 1 July 1983 in Belo Horizonte) is a volleyball player from Brazil, who represented her native country at the 2008 Summer Olympic Games, in Beijing, China, and in the 2012 Summer Olympic Games. On both occasions the Brazilian national team won the gold medal.
She plays as opposite in the Brazilian national team, and in Molico/Osasco. She made her debut for the national team against Colombia.
Castro was named "Most Valuable Player" at the 2006 FIVB World Grand Prix in Reggio Calabria, Italy, and at the 2009 FIVB World Grand Prix in Tokyo, Japan, with Brazil winning the gold medal both times.
At the 2011 Pan-American Cup, Castro was given the "Most Valuable Player" award, also winning the gold medal with her national team.
Sheilla was part of the national team who won the gold medal at the 2011 Pan American Games held in Guadalajara, Mexico.
Playing with Sollys Nestlé Osasco, Castro won the gold medal and the "Most Valuable Player" and "Best Scorer" awards in the 2012 FIVB Club World Championship held in Doha, Qatar.