PBK may refer to:

• Phi Beta Kappa Society
• PBK (composer)
• Prajapita Brahma Kumaris
• an abbreviation for paperback books
• PBK (gene)
• PBK Architects

• Rwanda at the 2017 World Aquatics Championships
• Rwanda at the 2017 World Championships in Athletics
• Rwanda at the 2018 Commonwealth Games
• Rwanda at the 2018 Summer Youth Olympics
• Rwanda at the Summer Olympics
• Rwanda Cancer Centre
• Rwanda Development Board
• Rwanda Education Board
• Rwanda Energy Group Limited
• Rwanda Internet Exchange
• RwandAir 205
• Rwanda men's national basketball team
• Rwanda men's national under-16 basketball team
• Rwanda men's national under-17 basketball team
• Rwanda men's national under-18 basketball team
• Rwanda men's national under-19 basketball team
• Rwanda music
• Rwandan Air corps
• Rwandan air corps
• Rwandan Air Force
• Rwandan Ambassador to Belgium
• Rwandan Ambassador to China
• Rwandan Ambassador to the United States
• Rwanda National Football League
• Rwanda national under-16 and under-17 basketball team