Bottleneck may refer to the narrowed portion (neck) of a bottle. It may also refer to:
Science and technology Bottleneck (engineering), where the performance of an entire system is limited by a single component Bottleneck (network), in a communication network Bottleneck (production), where one process reduces capacity of the whole chain Bottleneck (software), in software engineering Interconnect bottleneck, limits on integrated circuit performance Internet bottleneck, slowing the performance on the Internet at a particular point Bottleneck, a design element of some firearms cartridge cases
Places Bottleneck (K2), a mountain feature Free State of Bottleneck, a quasi-state in Germany 1919–1923
Other uses Choke point, or bottleneck, in military strategy, a feature that reduces passability of terrain Population bottleneck, an evolutionary event that drastically reduces a population Traffic bottleneck, a local disruption in a transportation network
See also
Liebig's law of the minimum, in agricultural science Nocturnal bottleneck, hypothesis to explain several mammal traits Von Neumann architecture#von Neumann bottleneck Reverse salient, a restricting component of a technological system Slide guitar, that can be played with the neck of a bottle