Tension may mean:

• Tension (mechanics), in physics, a force related to the stretching of an object
• High-tension line, sometimes used to refer to electrical voltage
• Stress (biology), physiological or mental stress
• Tension (music), the perceived need for relaxation or release created by a listener's expectations
• Suspense, in a dramatic work, leaving the audience feeling uncertain and interested about the outcome of certain actions
• Tenseness, in phonetics, describes a certain sound quality
• Tension (band), a rock band