Cosh

Cosh may refer to:

People

 * Chris Cosh (born 1959), American football coach
 * John Cosh (1915–2005), British rheumatologist

Science, technology, and mathematics

 * cosh (mathematical function), hyperbolic cosine, a mathematical function with notation cosh(x)
 * -COSH, a representation of the thiocarboxylic acid functional group in chemistry
 * Chlorpromazine, an antipsychotic drug
 * ChromeOS Shell, an operating system designed by Google

Weaponry

 * Baton (law enforcement)
 * Club (weapon)
 * Cosh (weapon)