Libog is a flag station situated on the Legazpi-Tabaco Line. It serves Santo Domingo, Albay.
Libog was opened on November 1914 as part of the Legaspi Division Line from Tabaco to Iriga via Legaspi. The Legaspi-Tabaco Line was abandoned on October 20, 1936 as authorized by the Commonwealth Act No. 59.
- Libog is the present day Santo Domingo.
- Its unknown why it was designated as a flag stop even though it was a main station.