Log may refer to: Chip log, a device used in navigation to estimate the speed of a vessel through water. Data log, a record of sequential data Laplacian of Gaussian Log (journal), an architectural magazine Log (village), a former urban-type settlement in Volgograd Oblast, Russia; since 2007—a village (selo) Logarithm, the mathematical operation that's the inverse of exponentiation, or the result of this operation. Logbook, a log of important events in the management, operation and n… (More on Log)