Analog or analogue may refer to:
- Analogue (literature), a literary work that shares motifs, characters or events with another, but is not directly derived from it
- Analog, a thing from which an analogy is drawn
Science and technology
- Analog (program), a computer program that analyzes log files from web servers
- Analog Devices, a semiconductor company
- Analog signal, in which information is encoded in a non-quantized variable, as opposed to a digital signal
- Analogue electronics, circuits which use analog signals
- Analog device, an apparatus that operates on analog signals
- Analog recording, audio or video information recorded as an analog signal
- Functional analog, a compound with similar properties
- Structural analog, a compound with an altered chemical structure
- Substrate analog, a compound that resembles the substrate in an enzymatic reaction
- Transition state analog, a compound that resembles the transition state of a substrate in an enzymatic reaction
