Juan Domingo Roldan
- Nickname: Martillo
- Date of Birth: 6th March 1957 (67 years old)
- Retired: 4th November 1988 (Career length: 9 years 10 months)
- Status: Retired
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Nationality:
Argentina -
Birthplace:
Freyre, Cordoba, Argentina
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Residence:
Freyre, Cordoba, Argentina
- Division: Middleweight
- Height: 5ft 8"
- Stance: Orthodox
- BoxRec: Juan Domingo Roldan
- Debut: 8th December 1978