Agustín Sienra
#4 · Centre-Back · Defensa y Justicia
- Nationality
- Argentina
- Born
- 1999-07-14
- Birthplace
- Capitán Bermúdez, Argentina
- Height
- 171 cm
- Weight
- 159 lbs
Agustín Sienra (born 14 July 1999) is an Argentine professional footballer who plays as a centre-back for Defensa y Justicia.