|Full name||Sindey Balderas Melgar|
|Date of birth||June 20, 1976|
|Place of birth||Cuernavaca, Morelos, México|
|Height||1.78 m (5 ft 10 in)|
|* Senior club appearances and goals counted for the domestic league only and correct as of July 2009.
Sindey Balderas Melgar (born June 20, 1976) is a Mexican footballer, who is playing as a defender for C.F. Ciudad Juárez in Liga MX. His start with Tigres in 1999, put him under the direction of coach Ricardo Ferretti and he would represent the club in the Invierno 2001 final. He also played for Veracruz in 2007 and 2008.
He began playing with Tigres during the Verano 1999 season under the command of Miguel Mejía Barón, replacing Fabián Peña in the 75th minute against Tecos. Balderas scored his first league goal on 10 February 2001 in the Clásico Regiomontano (Classic Regiomontano) against Rayados after 13 minutes and had his highest-scoring season in Invierno 2001 with 4 goals, as Tigres reached the final before losing to Pachuca. After finishing Clausura 2007 with Tigres, he moved to Veracruz, but the club was relegated to Liga de Ascenso under the command of Miguel Herrera. He moved on loan to Indios de Ciudad Juarez for Apertura 2008 and played his last top-division match in the Bicentenario 2010 tournament.
Balderas also earned three caps for the Mexico national team, all of these during Javier Aguirre's time as the team's coach. His caps came at the 2002 CONCACAF Gold Cup, in Mexico's matches against El Salvador, Guatemala, and South Korea.
- MedioTiempo. "Tigres 1 - 1 Pachuca". Retrieved February 15, 2013.
- MedioTiempo. "Sindey Balderas - Indios". Retrieved on February 15, 2013.
- MedioTiempo. "Tigres 2 - 1 Estudiantes". Retrieved on February 15, 2013.
- MedioTiempo. "Tigres 2 - 0 Monterrey". Retrieved on February 15, 2013.
- Courtney, Barrie. "CONCACAF Championship, Gold Cup 2002 - Full Details". RSSSF, February 7, 2002. Retrieved on February 15, 2013.