Shin Song-mo or Shin Sung-mo was an acting prime minister in 1950 following the first prime minister of South Korea, Lee Beom-seok. He served as a Defence Minister during the Korean War.

Lee Beom-seok, also known by his art name Cheolgi, was a Korean independence activist and the first prime minister of South Korea from 1948 to 1950. He also headed the Korean National Youth Association.