• Baffle (in vessel), a flow-directing vane or panel in some vessels such as shell and tube heat exchangers, chemical reactors, or static mixers
• Baffle (medical)
  Baffle (medical)
  A baffle is a tunnel or wall artificially constructed within the heart or great vessels for the purpose of redirecting blood flow in cases of congenital heart defects....
  
  , a tunnel or wall surgically constructed within the heart or primary blood vessels to redirect blood flow
• Baffles (submarine)
  Baffles (submarine)
  The baffles is the area in the water directly behind a submarine or ship through which a hull-mounted sonar cannot hear. This blind spot is caused by the need to insulate a sonar, commonly mounted near the bow, from the noise of the vessel's machinery....
  
  , the blind spot in a submarine's sonar created by the body of the submarine
• Baffle or All-Star Baffle, a 1973-74 revival of PDQ (game show), where contestants had to guess phrases from a short combination of letters
• Baffle gate, another name for turnstile
  Turnstile
  A turnstile, also called a baffle gate, is a form of gate which allows one person to pass at a time. It can also be made so as to enforce one-way traffic of people, and in addition, it can restrict passage only to people who insert a coin, a ticket, a pass, or similar...
  
  
• Sound baffle
  Sound baffle
  A sound baffle is a construction or device which reduces the strength of airborne sound. Sound baffles are a fundamental tool of noise mitigation, the practice of minimizing noise pollution or reverberation. An important type of sound baffle is the noise barrier constructed along highways to...
  
  , any object designed to reduce airborne sound
  • Components in a loudspeaker enclosure
    Loudspeaker enclosure
    A loudspeaker enclosure is a purpose-engineered cabinet in which speaker drivers and associated electronic hardware, such as crossover circuits and amplifiers, are mounted...
    
     used to negate the out-of-phase sound waves from the rear of the loudspeaker
  • Components in a suppressor
    Suppressor
    A suppressor, sound suppressor, sound moderator, or silencer, is a device attached to or part of the barrel of a firearm which reduces the amount of noise and flash generated by firing the weapon....
    
     used to redirect the gas from a gunshot to minimise sound and light
• Squirrel baffle, a device fixed to birdfeeders to prevent access by squirrels and other small mammals

See also

• Sergeant Baffels, a character in the Gaunt's Ghosts novels, a military science fiction series by Dan Abnett