What is "wjjd"

WJJD may refer to:

• WJJD-LP, a radio station (101.3 FM) licensed to Kokomo, Indiana, United States
• WYLL, a radio station (1160 AM) licensed to Chicago, Illinois, United States, which held the call sign WJJD from 1924 until April 1997
• WJMK, a radio station (104.3 FM) licensed to Chicago, Illinois, United States, which held the callsign WJJD-FM from 1961 until the 1970s