Asok station (Thai: สถานีอโศก, RTGS: Sathani Asok, pronounced [sā.tʰǎː.nīː ʔā.sòːk]) is a BTS Skytrain station, on the Sukhumvit Line in Watthana and Khlong Toei Districts, Bangkok, Thailand. The station is located on Sukhumvit Road at Asok Montri Road (Sukhumvit Soi 21), with interchange to MRT Blue Line at Sukhumvit station. This was its southeastern terminus before it was extended.