PGK may refer to:

• Papua New Guinean kina, the currency of Papua New Guinea
• Pasukan Gerakan Khas, a Malaysian police special operations unit
• Phosphoglycerate kinase, an enzyme
• XM1156 Precision Guidance Kit, a U.S. Army program to develop a precision guidance system for existing 155 mm artillery shells
• Depati Amir Airport, with IATA code PGK

• Toombul Shire Council
• Toombul Shire Hall
• Toomda
• Toome Bridge railway station
• Toomelah Aboriginal Mission
• Toomelah (film)
• Toomelah Station
• Toomlarn District
• Toomorrow (Wagon Christ album)
• Toomre Q
• Toomre Q parameter
• Toomre's stability criterion
• Tooms Lake, Tasmania
• Toom's rule
• Toomsuba, Mississippi
• Toom (surname)
• Too Much (album)
• Too Much (Bonaparte song)
• Too Much (Cheap Trick song)
• Too Much (Drake song)
• Too Much Fear
• Too Much Finance
• Too Much for Me
• Too Much Fun!
• Too Much Information (album)