The Fujifilm X-T3 is a mirrorless interchangeable-lens digital camera announced on September 6, 2018. It is weather-resistant, has a backside-illuminated X-Trans CMOS 4 APS-C sensor and an X-Processor 4 quad core processor. It is the successor to 2016's Fujifilm X-T2. It uses the Fujifilm X-mount.

The Fujifilm X series is a line of digital cameras produced by Fujifilm. The series encompasses fixed lens and interchangeable lens mirrorless cameras and premium compact point-and-shoot cameras aimed at consumer, enthusiast and professional photographers. The X series is part of the larger FinePix range of digital cameras from Fujifilm.