• Stiff, a characteristic used to describe people in the military or someone who appears disciplined
• Stiff, a colloquial term for a human corpse
• Stiffness
  Stiffness
  Stiffness is the resistance of an elastic body to deformation by an applied force along a given degree of freedom when a set of loading points and boundary conditions are prescribed on the elastic body.-Calculations:...
  
  , a material's resistance to bending
• Stiff (novel), a novel by Shane Maloney in his Murray Whelan series
  • Stiff (film), an Australian TV movie based on the novel, starring David Wenham
    David Wenham
    David Wenham is an Australian actor who has appeared in movies, television series and theatre productions. He is known in Hollywood for his roles as Faramir in The Lord of the Rings film trilogy, Carl in Van Helsing and Dilios in 300 and Neil Fletcher in Australia...
    
    
• Stiff (professional wrestling), a term used to describe how a wrestler attacks an opponent
• Stiff: The Curious Lives of Human Cadavers
  Stiff: The Curious Lives of Human Cadavers
  Stiff: The Curious Lives of Human Cadavers is a 2003 non-fiction work by Mary Roach. Published by W. W. Norton & Company, it details the unique scientific contributions of the deceased...
  
  , a book by Mary Roach
• Stiff Records
  Stiff Records
  Stiff Records is a record label created in London in 1976, by entrepreneurs Dave Robinson and Andrew Jakeman , and active until 1985. It was reactivated in 2007....
  
  , a British record label
• Seattle's True Independent Film Festival (STIFF)
  Seattle's True Independent Film Festival (STIFF)
  Seattle’s True Independent Film Festival was started in 2005 by a group of filmmakers whose feature film Swamper was rejected by the Seattle International Film Festival. STIFF was modeled after the Slamdance Film Festival in Park City UT as a way to champion local and true independent films that...
  
  , an annual event
• Jimmy Stiff, former member of American rock band Jackyl
  Jackyl
  Jackyl is an American rock band formed in 1990. Their sound has been described as hard rock, heavy metal and Southern metal.The band is probably best-known for its song "The Lumberjack", which features a chainsaw solo by lead singer Jesse James Dupree. On the recording, Dupree alternately revs the...
  
  

See also

• Stiff diagram
  Stiff diagram
  A Stiff diagram, or Stiff pattern, is a graphical representation of chemical analyses, first developed by H.A. Stiff in 1951. It is widely used by hydrogeologists and geochemists to display the major ion composition of a water sample. A polygonal shape is created from four parallel horizontal axes...
  
  , in hydrogeology and geochemistry, a way of displaying water chemistry data
• Stiff equation
  Stiff equation
  In mathematics, a stiff equation is a differential equation for which certain numerical methods for solving the equation are numerically unstable, unless the step size is taken to be extremely small. It has proved difficult to formulate a precise definition of stiffness, but the main idea is that...
  
  , an ordinary differential equation that exhibits behaviour at two widely different scales