On Nut station (Thai: สถานีอ่อนนุช, pronounced [sā.tʰǎː.nīː ʔɔ̀ːn nút]) is a BTS Skytrain station, on the Sukhumvit line at a tripoint of Bangkok; Khlong Toei, Watthana, and Phra Khanong districts. The station is located on Sukhumvit Road to the south of On Nut junction (On Nut Road).

Inside the station gate you can find ATMs, a chemist and assorted other small businesses.

On Nut BTS station is connected via walkway to both a Tesco Lotus and Century Cinema complex.

On Nut BTS station was the terminus of the Sukhumvit Line when the line first opened on 5 December 1999 from here to Mo Chit. Between 1999 and 2011 it was the eastern terminus of the line, until the opening of the 5.2-km extension to Bearing Station.

• Bangkok Skytrain

13°42′20.20″N 100°36′3.90″E / 13.7056111°N 100.6010833°E / 13.7056111; 100.6010833