WXXI-TV (channel 21) is a PBS member television station in Rochester, New York, United States.

WXXI-TV's national public television productions include A Warrior in Two Worlds, Echoes from the Ancients, Out of the Fire, Albert Paley: Man of Steel, Biz Kid$, and Flight to Freedom.

WXXI-TV discontinued regular programming on its analog signal, over UHF channel 21, on June 12, 2009, the official date on which full-power television stations in the United States transitioned from analog to digital broadcasts under federal mandate.

As part of the SAFER Act,[5] WXXI-TV kept its analog signal on the air until July 10, 2009, to inform viewers of the digital television transition through a loop of public service announcements from the National Association of Broadcasters.

WXXI-TV had been awarded a $202,498 federal contract for an outreach initiative to help Rochester's over-the-air viewers prepare for the digital transition.