Abstract: A cigarette lighter is disclosed. It operates by means a lever which opens a valve to release gas from a tank and a spark means to ignite the released gas.The lighter has a safety mechanism which prevents unintentional operation of the lighter, eg. by a child, but which an adult can easily overcome.The safety device is in the form of a resilient leg, one end of which is attached to the lever and the other end of which, in the non-use position, engages a surface of a block mounted in the body of the lighter.