Wojciech Stanisław Bartnik (born 2 December 1967 in Olesnica) is a former southpaw boxer from Poland, who won a Light Heavyweight Bronze medal at the 1992 Summer Olympics.

• 1992 – Bronze Medal (Light Heavyweight) at the Barcelona Olympic Games
  • Defeated Alex Gonzales (Puerto Rico) points
  • Defeated Mohammed Benguesmia (Algeria) points
  • Defeated Angel Espinosa (Cuba) points
  • Lost to Torsten May (Germany) points
• 1996 – Bronze Medal (Heavyweight) at European Amateur Boxing Championships in Vejle, Denmark
  • Defeated Gitas Juskevicius (Lithuania) points
  • Defeated Alexey Chudinov (Russia) retired
  • Lost to Luan Krasniqi (Germany) points
• 1996 – Represented Poland (Heavyweight) at the Atlanta Olympic Games
  • Defeated Larha Singh (India) points
  • Lost to Georgi Kandelaki (Georgia) points
• 2000 – Represented Poland (Heavyweight) at the Sydney Olympic Games
  • Lost to Michael Bennett (United States) points

Bartnik began his professional career in 2001 and had limited success. His biggest fight was a points loss to Albert Sosnowski in 2004. Wojciech Bartnik's stats: 29 fights, 24 wins (9 by KO), 4 losses, 1 draw.

• Boxing record for Wojciech Bartnik from BoxRec (registration required)
• sports-reference