HSX may refer to: Helically Symmetric Experiment Hengshan West railway station, China Railway pinyin code HSX Ho Chi Minh City Stock Exchange Hollywood Stock Exchange, an online game Hoshiarpur railway station, in Punjab, India HSX Films, now Ignite Entertainment HSX Handbrake Shifter, Brazilian manufacturer of racing simulation devices HSX: Hypersonic Xtreme, a video game Mitsubishi HSX, a concept car