PDG may refer to:

• Gabonese Democratic Party (Parti démocratique gabonais), the ruling party of Gabon
• Democratic Party of Guinea or Parti démocratique de Guinée
• Minangkabau International Airport, Padang, Indonesia IATA airport code
• Particle Data Group, international group of particle physicists
• Program dependence graph, in computer science, a diagram to clarify dependencies
• Patrouille des Glaciers, skiing competition organised by the Swiss military
• Permanent downhole gauge, pressure or temperature gauge in an oil or gas well
• Padgate railway station, England (station code)
• PDG S.A., Brazilian real estate company
• Président-directeur général, a combination of chairman and CEO in France
• Phänomenologie des Geistes (Phenomenology of Spirit) by Hegel
• Public Data Group, for accessibility of official UK data