Guard patrolling system is a system for logging the rounds of employees in a variety of situations such as security guards patrolling property, technicians monitoring climate—controlled environments, and many others. It helps ensure that employees make his or her appointed rounds at the correct intervals and can offer a record for legal or insurance reasons.

Modern systems are based on handheld data loggers and RFID sensors. The system provides a means to records the time when the employee reaches certain points on their tour. Some systems are set so that the interval between stations is timed so if the employee fails to reach each point within a set time.