What is "wndu"

WNDU may refer to:

• WNDU-TV, a television station (channel 16 analog/42 digital) licensed to South Bend, Indiana, United States
• WNDV-FM, a radio station (92.9 FM) licensed to South Bend, Indiana, United States, which used the call sign WNDU-FM until November 1998
• WDND, a radio station (1490 AM) licensed to South Bend, Indiana, United States, which used the call sign WNDU until November 1998