Clumsy or clumsiness may refer to:

Behaviour

Accident-proneness Accident-proneness is the idea that some people have a greater predisposition than others to experience accidents, such as car crashes and industrial injuries. It may be used as a reason to deny any insurance on such individuals. Early work The ...

* Developmental coordination disorder, a motor skills disorder which brings about chronic clumsiness

Music

* ''Clumsy'' (Our Lady Peace album), a 1997 album by Our Lady Peace ** "Clumsy" (Our Lady Peace song), from the above album * ''Clumsy'' (Samiam album), a 1994 album by Samiam * "Clumsy" (Fergie song), from the album ''The Dutchess'' * "Clumsy" (Britney Spears song), from the album ''Glory'' *"Clumsy", a song by All Time Low from the album '' Wake Up, Sunshine''

Literature

*A graphic novel by Jeffrey Brown

Software

* "Clumsy" (Software), Software tool for network error simulation {{Disambiguation