Jang Sung-kyu (; born April 21, 1983) is a South Korean television host and former news announcer. He was formerly a news announcer for JTBC until March 2019. He is currently signed to SLL (acronym for Studio LuluLala; formerly JTBC Studios), a subsidiary company under JTBC, working as a freelancer and starred in YouTube variety show '. Since July 2025, he signed contract with SM Culture & Contents.
On March 8, 2022, Jang donated to the Disaster Relief Association to help the victims of the massive wildfire in Uljin forest fire 2022 that started in Uljin, North Gyeongsang Province and has spread to Samcheok, Gangwon Province, South Korea. Jang additionally donated to the Embassy of Ukraine, Seoul to assist Ukrainian victims in the Russian invasion of Ukraine.
On February 8, 2023, Jang donated through YouTube to help 2023 TurkeyâÂÂSyria earthquakes, by donating money through the Turkey and Syria Recovery Fund.
In March 2025, Jang donated to the National Disaster Relief Association for the wildfire victims in the Gyeongsang region.