Jack Flaherty may refer to:

• Jack Flaherty (baseball) (born 1995), American baseball pitcher for the St. Louis Cardinals
• Jack Flaherty (politician) (born c. 1931), Canadian politician and former member of the Legislative Assembly of Alberta

• Biathlon at the 2006 Winter Olympics - Men's individual
• Biathlon at the 2006 Winter Olympics - Men's mass start
• Biathlon at the 2006 Winter Olympics - Men's pursuit
• Biathlon at the 2006 Winter Olympics - Men's relay
• Biathlon at the 2006 Winter Olympics - Men's sprint
• Biathlon at the 2006 Winter Olympics - Women's individual
• Biathlon at the 2006 Winter Olympics - Women's mass start
• Biathlon at the 2006 Winter Olympics - Women's pursuit
• Biathlon at the 2006 Winter Olympics - Women's relay
• Biathlon at the 2006 Winter Olympics - Women's sprint
• Biathlon at the 2006 Winter Olympics – Men's mass start
• Biathlon at the 2006 Winter Olympics – Men's pursuit
• Biathlon at the 2006 Winter Olympics – Men's relay
• Biathlon at the 2006 Winter Olympics – Women's mass start
• Biathlon at the 2006 Winter Olympics – Women's pursuit
• Biathlon at the 2006 Winter Olympics – Women's relay
• Biathlon at the 2006 Winter Olympics – Women's sprint
• Biathlon at the 2010 Winter Olympics
• Biathlon at the 2010 Winter Olympics - Men's individual
• Biathlon at the 2010 Winter Olympics - Men's mass start
• Biathlon at the 2010 Winter Olympics - Men's pursuit
• Biathlon at the 2010 Winter Olympics - Men's relay
• Biathlon at the 2010 Winter Olympics - Men's sprint
• Biathlon at the 2010 Winter Olympics - Women's individual
• Biathlon at the 2010 Winter Olympics - Women's mass start