Chong Nonsi Station (English: Chong Nonsi Station, code S3) is an elevated BTS Skytrain station located on the Chaloem Ratchakumari 6 Bridge, crossing the Chong Nonsi Canal above Narathiwat Ratchanakarin Road in the Bang Rak area of Bangkok. Positioned in the heart of the bustling business districts of Sathorn and Silom, it serves as a key interchange with the Bangkok BRT (Bus Rapid Transit) on the Sathorn-Ratchaphruek line at Sathorn Station.