Kerplunk may refer to:

• Kerplunk (album), an album by Green Day
• KerPlunk (game), a game of physical skill involving marbles and rods in a cylinder
• KerPlunk, a nickname given to the sculpture B of the Bang
• Kerplunk experiment, a famous experiment of psychology conducted by John Watson

Kerplunk is the second studio album by the American punk rock band Green Day. It was released on January 17, 1992 through Lookout! Records. Kerplunk was their last release on an independent label and was also the first album to feature their current band lineup, with Tré Cool on drums. The album has gone on to be among the best selling independently released albums of all time. Major labels took notice of Kerplunk's phenomenal popularity and many approached the band. Green Day realized that they had outgrown their record distribution capacity with Lookout! and eventually signed with Reprise Records. With Reprise, Green Day would record and release their third, and most successful album Dookie (1994).

Kerplunk! ist ein 1992 veröffentlichtes Punkrockalbum der Band Green Day.

Kerplunk est le deuxième album de Green Day. Il a été lancé en 1992 par Lookout! Records et a aidé Green Day a signer avec le label Reprise Records en 1993, label avec lequel ils auront beaucoup de succes par la suite, avec Dookie notamment.

Kerplunk är en skiva med gruppen Green Day från 1992. Det är den första skivan som den nuvarande trummisen Tré Cool är med på.

Kerplunk! - to tytuł drugiego albumu kalifornijskiego zespołu punkowego Green Day. Wydany został 7 stycznia 1992 roku przez Lookout! Records.