Kim Sung-joo is a South Korean television host and a former announcer. A former sports broadcaster and presenter, he became known to the wider public as a variety show host and for his stint on the reality-variety show Dad! Where Are We Going?.

Dad! Where Are We Going? was a South Korean reality show featuring five celebrity fathers and their children as they travel to rural places and go on camping missions. The show debuted on MBC on January 6, 2013, as part of the Sunday Night programming block. The original cast members were announcer Kim Sung-joo, actor Lee Jong-hyuk, former soccer player Song Chong-gug, actor Sung Dong-il, and Vibe singer Yoon Min-soo.