TIFF, Tiff, or tiff may refer to:

• Tiff, Missouri, United States

TIFF is a computer file format for storing raster graphics images, popular among graphic artists, the publishing industry, and photographers. The TIFF format is widely supported by image-manipulation applications, by publishing and page layout applications, and by scanning, faxing, word processing, optical character recognition and other applications.

The Toronto International Film Festival (TIFF, stylized as tiff.) is a publicly attended film festival held each September in Toronto, Ontario, Canada. In 2012, 372 films from 72 countries were screened at 34 screens in downtown Toronto venues, welcoming an estimated 400,000 attendees, over 4000 of whom were industry professionals. TIFF starts the Thursday night after Labour Day (the first Monday in September in Canada) and lasts for eleven days. 2015 saw approximately 473,000 attendees, 5,400 industry professionals, and 1,200 journalists.